SystemFlight Operations & Dispatch

Flight Diversion Management

Diversion management that picks the right airport, lines up the ground and puts every cost on the record

Diverted flights back on their way the same day, with every cost on the record.

See one case, screen by screen ↓
demo17minsooner to cardiac care at the top choice than the second — the one reason, cited, two minutes after the call
demo3.8sfor the agents to draft the cockpit, station, passenger and crew actions at once — 10 drafts, nothing sent
demo$61,338the sample diversion's cost record, 10 lines written as the costs happened
target9of 10diverted flights continued the same day when the crew stays legal
In short

What is Flight Diversion Management?

Diversion management is how an airline's operations control center chooses a diversion airport and recovers the flight: handling, fuel, customs, passengers, crew legality, the tarmac clock and the cost. Flight Diversion Management adds eight agents that rank the airports with every fact cited and draft each recovery action in parallel, while the dispatcher and duty manager approve every action and sign the decision.

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Updated

The problem

Why diversion management still runs on the phone

Diversion management starts the moment a crew sends the ACARS downlink: a passenger with chest pain, a technical fault, weather at the destination — one of the costliest irregular operations an operations control center runs. The aircraft dispatcher and the captain have minutes to choose an airport, and the dispatcher checks each candidate by hand across flight planning, METAR and TAF, NOTAMs, the company's airport suitability list, fire category, runway length against landing weight and customs hours. Then the operations control center spends the next hour on the phone — the handler, fuel, an ambulance, customs, an APIS manifest for the flight on to the US, hotel rooms, crew legality and rebooking.

The cost is decided in that hour. The closest airport is not always the suitable one. A fuel order written for an overweight landing contradicts the captain's plan to jettison. A crew that times out on the ground turns a two-hour stop into an overnight, while the tarmac clock runs. Weeks later finance rebuilds what the diversion cost from email and invoices.

typical$95,000typical cost of one intercontinental widebody diversion — €82,000
typical$15k–200kfor each medical diversion
Where a long-haul diversion's working days goestimated
By hand4.7 days
With the solution1 days
  • Airport choice, ground calls and approvals0.2 → 0.1 d
  • Crew legality and a recovery crew0.2 → 0.1 d
  • Passenger care, rebooking and hotels0.3 → 0.1 d
  • Rebuilding the cost record from email and invoices3 → 0.5 d
  • Duty, tarmac and evidence reports1 → 0.2 d

Estimated split of staff working days for one long-haul diversion, from the declaration to a closed cost record and filed reports, by hand and with the solution.

How it works

How a diversion moves

Eight agents rank the airports and line up the ground in parallel; the dispatcher and duty manager approve every action.

What comes in
Diversion declared3 feeds · ACARS, flight position, airport records
Agents at work
Diversion Plannerranks airports on the rings
Then
Cockpit MessengerACARS drafts
Station & Fuelhandling, fuel, customs
Passenger Carehotels, messages, rebooking
Crew Legalitylimits, reserve crew
Then
Checkercross-checks every number
Cost Recordercost record as it happens
A person decides
Dispatcher and duty managerchoose, approve, sign
What comes out
Airport chosen with its reason
Recovery approved, nothing unseen
Signed decision and cost record
One case, step by step

One medical diversion, managed from the first downlink to the cost record

Thursday, October 15, 2026. Corvane CV 96, London Heathrow to Denver, a Boeing 787-9 with 216 passengers, is at FL380 over Hudson Bay when a 64-year-old passenger has severe chest pain. Here is what happens next, screen by screen, in the working solution.

  1. 0118:06Z

    The diversion is already on his home screen

    Marcus Bell · Aircraft dispatcher

    Marcus shares operational control of 22 long-haul flights on the international desk. Today shows 412 Corvane flights airborne, 6 watched for diversion risk, and CV 96 at the top: declared at 18:04Z by the crew, six airports ranked at 18:06Z, YWG Winnipeg recommended. Below it, what the agents found since 06:00Z and the three items waiting for him.

    “The recovery is already prepared for Winnipeg and starts when you choose.”

  2. 02Two minutes after the call

    Six airports on the range rings, one reason for the top choice

    Diversion Planner

    CV 96 sits at the center of 30, 60 and 90-minute rings at 487 knots. The planner read the ground medical advisor's note, six airport records, METAR and TAF, 14 NOTAMs and N809CV's limits, and ranked on medical priority. YWG Winnipeg is 69 minutes away with an 11,000 ft runway, fire category 9, CBSA customs 24 hours, a handler on call, 1,900 hotel rooms and the crew legal to continue.

    “YWG Winnipeg first. The one reason it beat YQT Thunder Bay: the patient reaches cardiac care 17 minutes sooner — 90 against 107 minutes.”

  3. 03“Why not Churchill?”

    The closest airport, and why it is not suitable

    Marcus Bell · Aircraft dispatcher

    YYQ Churchill is 143 nm and 24 minutes away. Its record says why it is off the list for this emergency: fire category 5, below the 787-9's minimum of 7; a health center with no cardiac care, so a medevac to Winnipeg of about 2 h 40; no widebody stairs or tow bar; 160 rooms in town for 214 passengers. Each fact opens its source.

    The Diversion Planner never chooses the airport — the dispatcher and the captain decide.

  4. 0418:11Z

    Marcus chooses YWG, and eight agents work in parallel

    The agents

    The Cockpit Messenger drafts the uplink. The Station & Fuel Coordinator lines up handling, paramedics, customs, catering and fuel at YWG — 5 requests. The Passenger Care agent holds hotels and writes the message to passengers, and the Crew Legality agent checks 12 crew members and finds reserve crew R-07 at ORD. Six steps in 3.8 seconds end with 10 drafts waiting for 4 people.

    “Working in parallel on YWG. Each action below is a draft until its owner approves it.”

  5. 0518:13Z

    The agents check each other's numbers

    Checker

    Marcus sends the uplink, and the captain replies that she will jettison 32,000 lb to land at 424,300 lb, below maximum landing weight. The Checker sees that the fuel order assumed an overweight landing with 50,500 lb on board, changes the uplift from 6,000 lb to 38,000 lb (5,672 US gal) and sends it back to Renée Castellano to approve again. The overweight-landing inspection is no longer needed.

    The Checker can block a draft, never approve one.

  6. 0618:14Z

    The captain's decision, recorded under 14 CFR 121.557(b)

    Marcus Bell · Aircraft dispatcher

    The cockpit thread holds every ACARS message with the crew of CV 96: the declaration, the dispatcher's uplink with runway, weather, fire category and the landing-weight note, and the captain's reply. Marcus records Capt. Elena Brandt's decision — divert to YWG and jettison 32,000 lb — with the ACARS message as evidence. The next uplink is already drafted, waiting for him.

    The Cockpit Messenger never sends without the dispatcher, and never argues with the captain's emergency authority.

  7. 07Before landing

    Passengers looked after before the wheels are down

    Renée Castellano · Duty manager

    216 on board, 214 continuing, 47 connecting at Denver and 11 who will miss their connection, with rebooking ready. Six need assistance. The Passenger Care agent holds 138 rooms for 214 passengers at two hotels as a fallback, free cancellation until 22:00Z, and drafts the message in English, Spanish and German. Under UK261, an arrival 86 minutes late is under the 3-hour threshold and the cause is a medical emergency on board: no compensation, refreshments owed.

    The Passenger Care agent holds rooms only with free cancellation, and sends no message without approval.

  8. 08The crew clock

    The margin, not just “legal”

    Tomás Reyes · Crew controller

    Every crew member's duty sits on one timeline against their limit. The pilots' limit is 15 hours, not 17, because the crew-rest compartment is deferred under MEL 25-50-01 — and they still reach Denver with 2 h 49 to spare. The flight attendants have 7 h 34. Reserve crew R-07 is held at ORD, not called, with a call-by of 19:45Z.

    The Crew Legality agent never calls a reserve and never plans on a 117.19 duty extension.

  9. 0918:24Z

    Continue, swap the crew or cancel — she signs

    Renée Castellano · Duty manager

    The Continuation Advisor compares three options. Continuing with the same crew lands in Denver at 23:31Z, 86 minutes late, with 11 misconnections all rebooked and every clock met. Swapping to R-07 costs $14,800 more and arrives 3 h 20 late; canceling and overnighting at YWG costs $214,638 and cancels tonight's CV 97 to London. Renée signs the recommended option with the reason “Crew legal and aircraft serviceable”.

    The Continuation Advisor recommends only — the duty manager signs.

  10. 10Same day

    A cost record written as it happened

    Cost Recorder

    Ten lines, each tied to the action that caused it: landing and terminal fees $5,420, ad-hoc handling $11,800, the 38,000 lb fuel uplift $20,533, fuel jettisoned $12,943, crew pay and per diem $3,180, and the 138 hotel rooms held at no cost. The total is $61,338, against a typical $95,000 for a long-haul widebody. The close-out shows the decision signed and the captain's decision recorded; the duty manager sends it to operations finance from the same screen.

    “Invoices are matched to these lines as they arrive — the Cost Recorder flags any line that moves more than 5%.”

Who it’s for

Built for everyone in the room when a flight diverts.

The same diversion, seen by four of the people who carry it — what that hour looked like, and what it looks like now.

MB
Marcus BellAircraft dispatcher · international desk, Corvane OCC
Aircraft dispatcher
Before
Checks every candidate airport across five systems while the captain waits, then gets on the phone.
Now
Reads one ranked list with the one reason for the top choice, every fact cited, and sends the uplink the agents drafted.
RC
Renée CastellanoDuty manager, operations control center
Duty manager
Before
Approves fuel, hotels and the continuation over the phone, without seeing what each costs or which clock it stops.
Now
Sees each draft with its cost and its clock, approves it, and signs continue, swap or cancel with a reason.
TR
Tomás ReyesCrew controller · 1,900 pilots and 6,400 flight attendants
Crew controller
Before
Works out crew legality by hand after the aircraft is on the ground, and learns about a deferred bunk too late.
Now
Sees every crew member's margin against the limit, with the MEL correction made, and decides whether to call the reserve.
GH
Grace HalvorsenStation operations manager · Central Canada and Upper Midwest
Station operations manager
Before
Arranges a handler, fuel, stairs and customs at an off-line airport by phone, and hears “promised” instead of “confirmed”.
Now
Approves the requests the agents drafted, and sees each supplier, reference and status, with unanswered requests escalated after 10 minutes.
Built on the engine

8 agents. Each with one job, and hard limits.

Eight agents rank the airports and line up the ground in parallel; the dispatcher and duty manager approve every action.

Diversion Planner

Ranks candidate airports on the range rings for the event type — runway at landing weight, fire category, customs, handling, stairs, fuel, medical access, hotels, weather, NOTAMs and crew legality — and opens with its top choice and the one reason it beat the second.

  • Never chooses the airport
  • Every fact cites its source
  • Shows unsuitable airports with the reason
Cockpit Messenger

Drafts ACARS uplinks in company style — airport, runway, weather, fire category, landing-weight note, stand — and reads each downlink, telling the other agents what the crew decided.

  • Never sends without the dispatcher
  • Never argues with the captain's emergency authority
Station & Fuel Coordinator

Requests handling, stand, paramedics, customs, the APIS manifest, fuel and catering at the diversion airport, tracks the replies and escalates.

  • Nothing sent without approval
  • Escalates after 10 minutes without a reply
  • Money above $25,000 goes to the duty manager
Passenger Care agent

Holds hotel rooms as a fallback, writes the message to passengers, rebooks missed connections and works out what passengers are owed under UK261, EU261, the DOT tarmac rule and Canadian passenger rules.

  • Holds only with free cancellation
  • No message without approval
Crew Legality agent

Checks every crew member against Part 117 and 121.467 for the continuation, with deferred items that change a limit, and lines up a recovery crew.

  • Never calls a reserve
  • Never plans on a duty extension
Continuation Advisor

Compares continue, swap crew and cancel on cost, crew, passengers and clocks, and says when its recommendation would change.

  • Recommends only — the duty manager signs
Checker

Re-computes every number across the drafts against aircraft limits and deferred items, and sends conflicts back to the agent that wrote them with the reason.

  • Can block a draft, never approve one
Cost Recorder

Writes the cost record as actions happen, from tariffs, rate cards, fuel prices and crew pay rules, and matches invoices when they arrive.

  • Never posts to finance without approval
Dispatcher and duty manager

Choose the airport, approve each action, sign the decision. The agents propose; a named person decides.

Ask in plain words

Ask about the diversion, any airport or any clock

Ask in plain words — or say what to change. Every answer points to its source, and the screen follows the answer.

Why is Winnipeg ranked above Thunder Bay?

On medical priority the lead factor is time to cardiac care: 90 minutes at YWG against 107 at YQT. YQT also has no widebody stairs until Oct 21 and a 7,318 ft runway against 11,000. Both keep the crew legal. I opened the comparison.

Is the crew still legal if we stay on the ground 4 hours?

Yes, just: with 4 hours at YWG the pilots reach Denver at 01:21Z, 59 minutes inside their 02:20Z limit. At 5 hours they would be out by 1 minute. Over 3 hours, passengers must be offered deplaning. I set the timeline to 4 hours.

Hold rooms for the crew as well

Done as a draft: 12 rooms for the 3 pilots and 9 flight attendants at the Prairie Gate Hotel, crew rate $119, same free cancellation until 22:00Z. It is added to the hotel hold waiting for Renée.

What has the CV 96 diversion cost so far?

$61,338 across 10 lines: fuel uplift $20,533, fuel jettisoned $12,943, handling $11,800 and fees $5,420 are the biggest. A typical long-haul widebody diversion costs about $95,000.

Every screen

The working solution, as it ships.

13 screens from the working solution, on its sample data. Pick one to see it large.

Today: the live diversionWhat needs the dispatcher now: the diverting flight with one next step, flights airborne and watched, diversions and tarmac clocks this month, what the agents found and what waits.
Diversion airport selection on range ringsThe aircraft at the center of 30, 60 and 90-minute rings, the ranked shortlist in plain words, and the Diversion Planner's top choice with its one reason.
Diversion airport suitability, citedOne airport's runway, fire category, medical care, customs, handling and hotels against the fleet's minimums, each fact linked to its source.
Two diversion airports side by sideFlight time, time to cardiac care, runway, fire category, customs, stairs, hotels, weather, crew margin and estimated cost for the top two.
Diverted flight recovery in parallelOnce the airport is chosen, the agents draft the cockpit message, station requests, hotels, passenger message and crew checks at once, each step in view.
Drafts, approvals and the CheckerEvery action as a draft waiting for its owner, the crew's downlink, the Checker's fuel correction, and the clocks and agents beside them.
ACARS messages and the captain's decisionThe full ACARS thread with the crew, drafts with their character count and sources, and the pilot in command's decision recorded under 14 CFR 121.557(b).
Ground services at the diversion airportHandling, stand, paramedics, customs, the APIS manifest for the diverted flight, fuel, catering and the overweight-landing inspection, each with supplier, reference and status.
Passenger care for a diverted flightWho is on board and connecting, hotel rooms held as a fallback with free cancellation, the message to passengers, rebooking and what passengers are owed.
Crew legality after a diversionEach crew member's duty against their Part 117 or 121.467 limit on one timeline, the margin in hours and minutes, and the ground-time what-if.
Continue, swap the crew or cancelThree options compared on arrival, delay, crew, passengers, the next flight, cost and clocks, with the advisor's recommendation and why.
The diversion cost recordEvery cost line tied to its basis and status, the total against a typical widebody diversion, and the close-out before it goes to finance.
Audit trail and evidence packEvery agent action and human decision on the diversion, filterable by people or agents, with the evidence pack one export away.
Governance

Diversion management that is cited, approved and signed.

Every fact cites its sourceEach airport fact, agent statement and cost line links to the passage it came from — the airport record, METAR, NOTAM, MEL item, rule text, medical advisor's note, tariff or rate card.
Every outward action waits for a personThe cockpit message, station requests, fuel, hotel holds, the passenger message and the reserve crew are drafts until their named owner approves. Rejecting one needs a reason code, and edits are saved as new versions.
The captain's decision recorded, the continuation signedThe dispatcher records the pilot in command's decision under 14 CFR 121.557(b) with the ACARS message as evidence. The duty manager signs continue, swap or cancel with name, time, meaning and reason.
Agents check each otherThe Checker re-computes every number across the drafts — fuel against the landing-weight plan, crew limits against deferred items — and sends a conflict back for re-approval. It can block a draft, never approve one.
Clocks that watch themselvesFood and water on board, deplaning, APIS before doors close, hotel free cancellation, the reserve call-by and the pilots' duty limit run live, and each clock's owner is told when it is 15 minutes away.
An audit trail and an evidence packEvery agent action and human decision is on a read-only audit trail kept seven years. One export gives the evidence pack for a diversion: the ACARS log, decisions, crew calculation, tarmac clock log and cost record.
Configuration

Your operation's rules, not ours

The rules every diversion is ranked, approved and escalated by are settings, versioned and on the audit trail.

SettingDefaultChoose from
Range rings30 / 60 / 90 minMinutes from the aircraft at its current speed, step up or down
Rank medical diversions byTime to cardiac careTime to cardiac care · Flight time
Escalate an unanswered request after10 minStep up or down — to the backup supplier and the station manager
Hold hotels only with free cancellationOnOn · Off — holds are released when the doors close
Pre-stage the recovery for the top choiceOnOn · Off — drafts are prepared before the airport is chosen, nothing is sent
Food and water target1 h 45, onOn · Off — below the 2-hour rule at every diversion airport
Fleet minimums, 787-97,000 ft dry runway · fire category 7, 9 preferredSet per fleet: 787-9, 777-300ER, A321neo, 737-8
Station requests approved by station operations up to$25,000Above the limit, the duty manager approves
Connections

Works with the systems the operations control center already runs

Flight planning and flight followingposition, fuel and weights for every airborne flight
ACARS datalinkuplinks sent by the dispatcher, downlinks read
Weather and NOTAM feedMETAR, TAF and NOTAMs for every candidate airport
Crew tracking and maintenanceduty, rest, reserves and MEL deferred items
Reservations and departure controlpassengers, connections, special assistance and APIS
Hotels, fuel ordering and financeroom holds, into-plane orders and prices, cost records
What it changes

The difference, in numbers.

Every figure is labelled: a target the solution is built to, an estimate, a typical published result, or a proven one.

target
9of 10
diverted flights continued the same day when the crew stays legal
Continued the same day
recovery crew lined up before the clock runs out
target
0missed
tarmac clocks at the diversion airport — food and water by 2 hours, deplaning before 3 or 4
tarmac clocks met
target
15%
lower cost per diversion, against a typical €82,000 (about $95,000) for a long-haul widebody
Typical$95,000
Target$80,750

“demo” = seen in the working solution, on its sample data · “target” = the design goal, measured in the live solution · “estimated” = our estimate · “typical” = published figures (EUROCONTROL Standard Inputs, ch. 17 — €82,000, about $95,000, for an intercontinental widebody diversion; MedAire 2025 — $15,000–$200,000 per medical diversion). Regulations named for context: 14 CFR 121.557, 121.467, Part 117 and 259.4, and UK261. Corvane Airways and the people, flights and suppliers named on this page are fictional — characters and sample data in the working solution.

Questions

What operations control asks us about airline diversion management.

What is diversion management?

Diversion management is how an airline's operations control center chooses a diversion airport and recovers the flight: handling, fuel, customs, passengers, crew legality, the tarmac clock and the cost. Flight Diversion Management adds eight agents that rank the airports with every fact cited and draft each recovery action in parallel, while the dispatcher and duty manager approve every action and sign the decision.

How do airlines choose a diversion airport?

The dispatcher and the captain decide together. The Diversion Planner ranks every candidate within reach on 30, 60 and 90-minute rings using the priority for the event — for a medical diversion, time to cardiac care — and checks runway length at landing weight, fire category, customs, handling, stairs, hotels, weather, NOTAMs and crew legality. It names its top choice and the one reason it beat the second, and shows unsuitable airports with the reason.

How much does a flight diversion cost?

EUROCONTROL puts a typical intercontinental widebody diversion at €82,000, about $95,000, and MedAire puts medical diversions at $15,000 to $200,000 each. In the working solution the sample medical diversion's cost record comes to $61,338 across 10 lines, written as each cost happened and matched to invoices as they arrive.

What does the DOT tarmac delay rule require after a diversion?

Under 14 CFR 259.4, a carrier must provide food and water no later than 2 hours after a tarmac delay begins, and offer passengers the chance to deplane before the delay reaches 3 hours on a domestic flight or 4 hours on an international one. The solution keeps these clocks live for each diversion — in the sample, the Canadian 3-hour rule at Winnipeg — with a food and water target of 1 h 45 by default, and tells the owner before a clock runs out.

Can the crew continue after a diversion?

The Crew Legality agent checks every crew member against Part 117 and 121.467 for the continuation, including deferred items that change a limit, and shows the margin in hours and minutes. It lines up a recovery crew but never calls a reserve and never plans on a 117.19 duty extension; the crew controller decides.

Do dispatchers and duty managers stay in control?

Yes. The agents never choose the airport, send to the cockpit, approve any spend, call a reserve or sign. Every outward action is a draft until its named owner approves it, the captain's decision is recorded under 14 CFR 121.557(b), and the duty manager signs continue, swap or cancel with a reason.

Does it work with our flight planning, ACARS and crew tracking systems?

It connects to flight planning and flight following, ACARS datalink, the weather and NOTAM feed, crew tracking, maintenance deferred items, reservations and departure control, hotel booking, fuel ordering and finance, and keeps your diversion airport records current from NOTAMs and station email, with each change confirmed by station operations.

How long does it take to go live?

The Agentic Solution Engine builds and deploys it from your requirements and documents — your diversion procedures, airport suitability list, approval limits and a sample of past diversions — and it goes live once every quality gate has passed. We will walk you through it on your own diversions first.

See it on
your diversions.

We'll run Flight Diversion Management on a sample of your own past diversions and airport records.