How to read an airline delay or cancellation email

An airline's delay or cancellation email often leaves out what matters most. It tells you the new time and offers a button, but it rarely mentions your rights. Five details decide what you can ask for: the original and new times, the stated cause, the options offered, any choice the airline has made for you, and anything the email leaves out.

This guide walks through a sample email line by line and shows what each part means under the rules in the US, Canada and Australia.

The sample email

Sample email, Northgate Air (synthetic):

Subject: Important change to your trip, booking code QX7R2D

Flight NG 1032, Calgary (YYC) to Chicago (ORD), 22 May. Originally departing 09:10, arriving 15:05. Now departing 13:55, arriving 19:50.

Reason: operational reasons.

Your seat assignment has been updated. If this new schedule doesn't work for you, your trip value has been saved as a travel credit, valid for 12 months.

Tap Accept to confirm your new itinerary.

Line 1: the times

Write down the original and new departure and arrival times. Here, arrival moves from 15:05 to 19:50, which is 4 hours 45 minutes later.

Why it matters:

• US: For flights to, from or within the US, a change to arrival of 3 hours or more on a domestic itinerary, or 6 hours or more on an international one, counts as a "significant change." If you turn down the new flight, you can get a refund. This trip is international (Canada to the US), so the 6-hour threshold applies, and a 4-hour-45-minute change falls short of it.

• Canada: Under the Air Passenger Protection Regulations (APPR), compensation is based on your actual arrival delay at the final destination, in bands starting at 3 hours. Separately, if the airline tells you about a change more than 14 days before departure, your rights come from the airline's tariff (the legal terms of your ticket) rather than the APPR compensation rules.

• Australia: The Australian Consumer Law asks whether the flight was provided within a reasonable time. The length of the change is one of the factors.

Line 2: the stated cause

"Operational reasons" is common and tells you very little.

• Canada: The airline must tell you the reason. Whether the cause was within its control, within its control but required for safety, or outside its control decides whether you can claim compensation. Ask for the specific cause in writing.

• US: The cause doesn't affect your refund right, but it does affect whether the airline's own commitments for meals, hotels or rebooking apply. Those cover delays the airline caused, such as crew or maintenance problems.

• Australia: The ACCC says airlines should be proactive and truthful about the reason for a delay. The cause can affect both the consumer law test and the airline's compensation policy.

Line 3: the options offered

The sample offers only two paths: accept the new time or keep a credit. It doesn't mention a refund.

• US: Airlines must tell passengers who are owed a refund about that right. A credit offered instead of a required refund must stay valid for at least five years. A 12-month credit in this situation is worth questioning.

• Canada: Refunds owed under the APPR must be offered in money. A voucher is allowed only if it is worth more than the cash amount, doesn't expire, and you confirm in writing that you chose it.

• Australia: If the replacement isn't within a reasonable time, you can choose between a replacement and a refund.

Line 4: what's been done for you

"Your trip value has been saved as a travel credit" and "your seat assignment has been updated" describe changes the airline has already made. In the US, an airline can't treat you as accepting a credit instead of a refund unless you actively agree. Even so, don't tap Accept until you've decided. Accepting the new itinerary can end your refund right for that change.

Line 5: what's missing

Look for what the email doesn't say:

• the specific cause

• a refund option

• what the airline will provide at the airport: meals, a hotel, transport

• whether the operating airline is different from the one you booked with

• a deadline to respond, and what happens if you don't

A quick checklist for any notice

1. Booking code and flight numbers, matching your confirmation.

2. Original and new departure and arrival times, with dates.

3. Airports. Has either one changed?

4. Number of connections. Has it gone up?

5. Cabin class. Have you been downgraded?

6. Stated cause, in the airline's own words.

7. Every option offered, and which one is the default.

8. Credit terms: expiry, restrictions, whether it transfers.

9. Anything you've been told verbally. Write it down with the time and name.

What to do next

1. Screenshot the email and the app. Airlines sometimes update the text later.

2. Don't accept anything yet unless the new flight works for you.

3. Reply in writing. Ask for the specific cause, state which option you choose, and ask the airline to confirm it in writing.

4. Keep receipts for any meals, hotels or transport you pay for.

5. Escalate if needed to the US Department of Transportation, the Canadian Transportation Agency, or in Australia the airline's internal review and then the relevant external body.

Questions to send the airline

• What is the specific cause of this change?

• Am I entitled to a refund instead of the new flight or the credit?

• If I take the credit, when does it expire and what restrictions apply?

• Which airline is operating the new flight?

• What assistance will you provide at the airport?

Decode your own airline email

EasyToDecode is launching soon. Upload the airline's email and your booking, and it will quote each line that matters, compare the old and new times against the rules that may apply to your route, and flag what's missing, such as a refund option or the cause. Then it drafts questions and a claim letter you can edit and send. See how it works or join the waitlist.

Where to check

For the US, see 14 CFR Part 260 and DOT's ticket refunds page. For Canada, see the CTA's passenger protection site and the APPR. For Australia, see the ACCC's travel delays page.