TS339 LondonLGW MontréalYUL
TS339 by Air Transat flies from London (LGW) to Montréal (YUL).
scheduled from LGW
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LGW and YUL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at London
ForecastSat 7 Nov, local date
- 60% chance of fog
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Montréal
ForecastSat 7 Nov, local date
- 85% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other London to Montréal flights today
same route · Air TransatIf TS339 is cancelled, this is the other Air Transat nonstop flight from London to Montréal on the same day, with scheduled departure times in LGW local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How TS339 actually runs
Pro Flight Search has tracked every published board update for TS339 across the LGW and YUL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at LGW and YUL.
The verdict above is that record speaking, so it reflects how TS339 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around TS339? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: TS339 London to Montréal on-time performance, measured from the LGW and YUL airport boards.
https://proflightsearch.com/flight/TS339