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Flights Ottawa → London

YOW → LHR

14.9
Average risk (Low)
2
Airlines

Route overview

The flight route from Ottawa to London is operated by a Boeing 767-300 aircraft, connecting two major cities with significant international travel demand. The destination airport sees an impressive annual passenger traffic of 83,884,572, highlighting its importance as a global hub.

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Ottawa (YOW) → London (LHR) route is operated by Air Canada, Lufthansa Cargo. FlightGuard's average computed risk is 14.9/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At London the average ATFM delay is 1.8 minutes (main cause: atfm). Departing from Ottawa the average ATFM delay is 2.0 minutes.

Heading to London: what to expect in this direction

Flying from Ottawa (YOW) to London (LHR) heads north-east for about 5,346 km, a flight time of roughly 7h 6m.

Air-traffic congestion: departing Ottawa the average ATFM delay is 2.0 min (atfm); arriving into London it is 1.8 min (atfm).

Route facts

Time difference
5h ahead
Arrival (dest. local time)
20:06
Elevation LHR
83 ft
Typical aircraft
Boeing 767-300
Est. CO₂/passenger
~481 kg

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Airline punctuality on this route

Airline On-time Average delay Cancellations
Lufthansa Cargo (LH) 76% 15 min 7.1%

Airlines operating YOW-LHR

Frequently asked questions about YOW-LHR

Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.

The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.

The route is operated by 2 airlines: Air Canada, Lufthansa Cargo.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at London, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.