Delay reasons8 min readUpdated: May 20, 2026

Flight delay due to crew duty time: compensation and review

Crew duty time can be a safety rule, but the question is why the crew timed out and whether the carrier could respond reasonably.

Main guide for this topic: Flight delay compensation

When this scenario changes a delay review

When an airline says the crew timed out under duty-time rules, the case is not over. The baseline rule stays the same: first check whether final arrival was three hours or more late and whether the route falls under flight delay compensation. Only then should this specific scenario be used to test responsibility, costs and onward travel.

Safety rules must be respected, but the next question is what caused the crew timeout and whether the carrier could provide replacement crew or rerouting. That is why the case should not be reduced to one sentence about departure delay. Separate the route, operating carrier, one booking, arrival time, delay reason, assistance offered and receipts. Once those facts are separated, it is easier to see whether the claim is about 250, 400 or 600 euros, expense reimbursement, or both.

  • Record scheduled and actual arrival at the final destination.
  • Separate proof of the delay reason from waiting-cost receipts.
  • Check whether the whole route was under one booking.
  • Ask for a written explanation if the airline response is generic.

Next step

Find out if you are owed up to EUR 600 in compensation.

The quick check combines flight details, route distance and basic evidence to assess your right.

Route, booking and final arrival

For flights from Serbia, into the EU, from the EU or through a European hub, route coverage often decides whether the European framework applies. Passenger nationality is usually not the key fact. Departure airport, arrival airport, operating carrier and whether onward travel was bought as one booking matter more.

If there is a connection, the assessment does not always stop at the first segment. One hour late at departure can become four hours late at the end of the journey if the onward flight is missed. If tickets were separate, that part is weaker, but care rights, costs or incorrect airline information may still matter.

The reason the airline gives

If crew timed out because of an earlier technical issue, late rotation or poor planning, responsibility is not assessed the same as with airport closure or severe weather. Some reasons may be extraordinary circumstances, but operational organization, crew, technical preparation, flight paperwork, boarding, cleaning or loading often need a more precise review. Generic wording does not by itself show that the carrier took all reasonable measures to reduce the delay.

Ask for the link between the reason and your flight: when the problem started, how long it lasted, whether it affected only your aircraft or the whole airport, and whether a reserve aircraft, other crew or reasonable rerouting was available. Without those details, a rejection may be incomplete.

Case file

What Let Kasni organizes first

  • exact flight, date, route and booking reference
  • scheduled and actual arrival time
  • airline's stated reason and the evidence behind it
  • receipts for meals, hotel, transfer or a new ticket

Evidence, receipts and timeline

The order of notices, new departure time, whether replacement crew was sought and whether a hotel was offered for next-day travel all matter. A strong file follows the same order each time: booking confirmation, boarding pass, airline messages, app screenshot, departures-board photo, actual arrival time, receipts and carrier response. This reduces manual work and makes missing evidence visible quickly.

If gate staff explain the reason verbally, write down the exact wording and time. If the reason changes, keep every version. A changed explanation does not automatically prove compensation, but it is a signal that the case should be checked carefully rather than accepted on the first short sentence.

Care during the wait and reasonable costs

Crew timeout often turns the wait into an overnight delay, so hotel, transfer, meals and clear information become central parts of the file. Care rights are separate from fixed compensation. A passenger may have a weaker compensation case because of extraordinary circumstances but still request meals, refreshments, hotel, transfer or reimbursement of reasonable costs when assistance was not provided.

Costs should be proportionate to the situation. A meal during a long wait, basic transfer to a hotel or a reasonable hotel night is much easier to explain than luxury spending. List costs separately in the claim, with the receipt and a short reason why each cost was necessary.

How Let Kasni structures the claim

The claim should ask what caused the crew timeout, which measures were taken and separately request reimbursement of waiting costs. Let Kasni treats these cases as a file with separate parts, not as one broad complaint: legal threshold, route, delay reason, costs and airline response. That matters when the airline answers only the compensation part but ignores receipts or care during the wait.

If the claim is rejected, the next step is not rewriting the same message. A stronger follow-up asks for concrete proof of the reason, the time period and the measures the carrier took. This is faster, cleaner and easier to review than a long exchange without structure.

Professional review

Why we do not stop at a generic rejection

Airlines often expect individual passengers to give up after the first short answer. A structured file, knowledge of the rules and procedural pressure change the speed and quality of the response.

Route, arrival and evidence

The fastest way to review this type of case without messy rewriting is to put it into the same structure every time: route, one or several bookings, scheduled arrival, actual arrival, stated reason, assistance offered and costs. When every claim follows the same order, it is easier to compare cases and see what is missing.

For travelers who often fly from Belgrade, Nis, Kraljevo or through European hubs, this structure reduces mistakes. You do not need to decide again what to save: boarding pass, booking confirmation, airline messages, app screenshot, departures-board photo and receipts go into the same folder or note.

For flight delay due to crew duty time: compensation and review, the goal is not only to send a claim, but to send one that can be checked quickly. If the airline answers only partly, the structure shows which fact is missing and which follow-up should be requested instead of rewriting the whole story from the beginning.

A useful rule is that every item should have a source: time from the app, reason from a message, cost from a receipt and connection from the itinerary. If one item has no source, you know what to collect before sending.

If the journey continued on another flight or another mode of transport, keep the new itinerary and arrival time, because otherwise the comparison point stays unclear.

Route, timing and airline responsibility

For flight delay due to crew duty time: compensation and review, first check whether the route is protected, then what actually happened, and only then which claim makes sense. Use Flight delay compensation for the baseline rule and amounts, while this page checks the concrete scenario and the evidence that changes it.

The best approach is to build a short timeline. Write down the scheduled time, actual time, where you were when the problem happened, what the airline offered, what you accepted and what you paid yourself. That timeline later decides whether the case is about fixed compensation, ticket refund, expense reimbursement or only care rights.

If the case involves arrival delay, a missed connection, rerouting or an overnight wait, also check flight delay compensation. Most practical passenger questions eventually depend on how late the whole journey ended and whether the reason was within the airline's control.

Airport terminal during an operational flight delay

Documents to save for review

The strongest evidence is evidence from the same day: boarding pass, booking confirmation, airline messages, app screenshot, departures-board photo, receipts for food, hotel or transfer and any written information received at the airport.

If the reason was explained verbally, write down the exact wording, time and place. If the reason changed, keep every version. The difference between a technical fault, air traffic control, bad weather, strike and crew shortage is not a formality; it is often the line between a strong and weak claim.

In the claim, do not only say that you want compensation. Include flight number, date, route, booking reference, scheduled and actual arrival time, a short timeline and a clear separation between fixed compensation and expenses you want reimbursed.

What if the airline rejects the claim

The airline's first reply is often not a full assessment. It may contain broad wording, an automatically selected category or an answer that covers only one part of the claim. Read it carefully: does it address the exact flight, date, final destination and concrete reason that caused the disruption?

If the answer does not mention evidence, timeline or the measures the airline took, send a short follow-up. You do not need to repeat the whole story. Ask for a precise explanation and attach the most important proof again. That follow-up often separates genuinely weak cases from cases that were only rejected superficially.