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What to Do When Your Flight Is Delayed

By The Flight Tracker Team · September 21, 2026

Work in this order: confirm the delay from the airline, find out what is causing it, check whether your connection still works, then get in a queue and on a phone line at the same time. The travellers who come out of a delay best are rarely the loudest ones at the desk — they are the ones who worked out what they needed before they got there.

Here is the sequence in full.

1. Confirm the delay, and confirm the new time

A delay you heard from a screen, an app, or another passenger is a signal to act, not a fact to plan around. Get the revised departure time from the airline itself — its app, its notifications, or the departures display in the terminal.

Two things to establish precisely:

• The new departure time, and whether it is confirmed or provisional.
• Whether the gate has changed. Delays and gate reassignments travel together.

Then keep checking. A delay announced in one 40-minute increment often becomes two. If the revised time keeps sliding by half an hour at a time, treat the trip as genuinely uncertain rather than merely late.

2. Understand the cause, because it changes everything

The cause determines how long the delay is likely to last and what the airline can do for you.

Cause	What it usually implies
Inbound aircraft arriving late	The delay tracks the inbound flight; watch that flight
Weather at either end	Timing depends on conditions, not the airline
Air traffic flow restrictions	Often a fixed slot; the new time is usually firmer
Crew availability or duty limits	Can resolve quickly or cascade badly
Technical issue with the aircraft	Highly variable; may end in an aircraft swap

The most useful trick here: if your delay is caused by a late inbound aircraft, find that inbound flight and watch it. Your departure cannot realistically happen before that aircraft lands, is turned around and boarded. Search the route your aircraft is arriving from, or ask at the gate which flight it is coming in on. That gives you a floor for the new departure time that is often more honest than the posted one. Our guide to tracking a flight by route covers the lookup.

If you want the wider picture of what causes delays in the first place, see why flights get delayed.

3. Check your connection immediately

If you have an onward flight, this is the most time-sensitive thing you will do. Calculate:

• your new arrival time at the connecting airport
• the minimum connection time at that airport, which is longer between terminals and longer again if you change from domestic to international
• whether your bags are checked through

If the numbers no longer work, do not wait for the airline to notice. Ask to be rebooked while you are still at the origin airport, where you have more options and shorter queues than you will have mid-journey. Our post on tracking a connecting flight explains how to watch both legs.

4. Queue and call at the same time

If you are travelling with someone, split up: one person joins the desk queue, the other calls the airline. If you are alone, join the queue and dial while you stand in it. Airline apps can often rebook you without either — try that first, because it is instant when it works.

Lines that are usually shorter than the main desk: the gate agent if a gate is assigned, a transfer or connections desk if you are already airside, a lounge desk if you have access, and the airline’s messaging channel, which is sometimes answered faster than the phone.

5. Know what to ask for

Ask specifically, and ask early. The realistic list:

• The next available flight, including on a different route, a partner airline, or a nearby alternative airport.
• Your bags — where they are, and whether they will follow you if you are rebooked.
• Refreshments or a meal voucher if the wait is long, and a hotel room if it becomes an overnight one.
• Written confirmation of the delay and its stated reason, before you leave the airport.

That last item is the one most people forget and later need. Get the delay length and the reason in writing while someone is in front of you.

Depending on where you flew from, where you flew to, and which airline you flew, the rules may provide for care during a long wait and for compensation afterwards. Entitlements vary by jurisdiction and by circumstance, and the airline and the relevant regulator are the authorities on what applies to your trip. Our flight delay compensation basics post explains the general shape of those frameworks without pretending to assess any individual case.

6. Keep a small record

Photograph the departure board showing the delay, note the times you were told and by whom, and keep receipts for anything the delay made you buy. Two minutes of work, and it is the difference between a claim you can support and a story you cannot.

Where an app helps and where it does not

A tracking app is good at telling you early that something has moved, at letting you watch the inbound aircraft, and at showing gate and terminal changes as they are reported. It is not the airline, and it cannot rebook you. Status reflects what has been reported and can lag during widespread disruption — see how it works for what Flight Tracker shows.

Use the app as your early warning, then confirm every time with your airline before you act on it.

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