Toronto and London Heathrow delay compensation

The distance between Toronto (YYZ) and London Heathrow (LHR) is about 5,707 km. The rules treat the two ends differently, so the two directions can give different answers.

Both directions, four airline cases

Each row is a flight that lands 4 hours late with no extraordinary circumstances. The airlines are examples of how the operating airline changes the result. They are not a statement about which airlines fly this route.

Computed results between YYZ and LHR
Direction	Operating airline	Result
Toronto to London Heathrow	Air Canada	Canada APPR CAD 400
Toronto to London Heathrow	British Airways	UK261 GBP 520, or Canada APPR CAD 125 to CAD 400, depending on the airline’s size (claim under one)
Toronto to London Heathrow	Delta Air Lines	Canada APPR CAD 125 to CAD 400, depending on the airline’s size
Toronto to London Heathrow	KLM Royal Dutch Airlines	UK261 GBP 520, or Canada APPR CAD 125 to CAD 400, depending on the airline’s size (claim under one)
London Heathrow to Toronto	Air Canada	UK261 GBP 520, or Canada APPR CAD 400 (claim under one)
London Heathrow to Toronto	British Airways	UK261 GBP 520, or Canada APPR CAD 125 to CAD 400, depending on the airline’s size (claim under one)
London Heathrow to Toronto	Delta Air Lines	UK261 GBP 520, or Canada APPR CAD 125 to CAD 400, depending on the airline’s size (claim under one)
London Heathrow to Toronto	KLM Royal Dutch Airlines	UK261 GBP 520, or Canada APPR CAD 125 to CAD 400, depending on the airline’s size (claim under one)

By length of delay, Toronto to London Heathrow

Delay length and result on Air Canada, YYZ to LHR
Arrival delay	Result
2.5 hours	Nothing owed under these rules
3 hours	Canada APPR CAD 400
3.5 hours	Canada APPR CAD 400
4 hours	Canada APPR CAD 400
6 hours	Canada APPR CAD 700

By length of delay, London Heathrow to Toronto

Delay length and result on Air Canada, LHR to YYZ
Arrival delay	Result
2.5 hours	Nothing owed under these rules
3 hours	UK261 GBP 260 (up to GBP 520), or Canada APPR CAD 400 (claim under one)
3.5 hours	UK261 GBP 260 (up to GBP 520), or Canada APPR CAD 400 (claim under one)
4 hours	UK261 GBP 520, or Canada APPR CAD 400 (claim under one)
6 hours	UK261 GBP 520, or Canada APPR CAD 700 (claim under one)

Check your flight

From

Where the trip started. For one booking with connections, the first airport.

Where the trip ended: the final destination.

Airline that operated the flight

The operating airline, not the one on the ticket. A boarding pass or the flight status page names it.

What happened

DelayedCancelledDenied boarding

Hours late

At the final destination, when the aircraft door opened. 2.5 reads as 2 h 30 min.

Minutes

Reason the airline gave

We read this to explain the result. We never decide whether it counts as extraordinary.

Flight date (optional)

Goes into the claim letter with the airline’s name. It does not change the amount.

Enter both airports and the airline to see a result.

Loading the airport list

Choose where the trip started, where it ended, the airline and what happened. The result updates as you type.

See also the airport pages for Toronto and London Heathrow, the rules, the claim guide and the guide on flights between the Netherlands and the Caribbean.

Questions about this route

Which rule covers a delayed flight between Toronto and London Heathrow?

It depends on the direction and on the airline that operated the flight. The table shows four airline cases each way. The rule follows the departure airport and the license of the operating airline.

How is the distance measured?

As the great circle distance between the two airports, about 5,707 km here. The figure is approximate.

Hours Late is not a law firm and not a claims company. It does not file claims for you. The results are estimates from published rules and the details you enter. They are not legal advice. Airlines and courts decide each case.

Sources

Commission Notice C/2024/5687: Interpretative Guidelines on Regulation 261/2004, read on October 10, 2026
Regulation (EC) No 261/2004 (EUR-Lex, original text), read on October 10, 2026
Regulation 261/2004 as retained in UK law, Article 3, read on October 17, 2026
Air Passenger Protection Regulations SOR/2019-150 (consolidation showing SOR/2022-134 as last amendment), read on October 10, 2026