Informational Guide to London Heathrow Airport - LHR - Non Official

AC865 Air Canada - Flight Status

Codeshare Flights
The flight TG5814 from Thai Airways International (TG) is a codeshare flight operated by Air Canada (AC) under the flight number AC865. Check this page for details about flight AC865.

Below, you can find details about Air Canada flight AC865, which currently operates between the airports of London - London Heathrow Airport (Airport Code LHR) and Montreal - Montreal-Trudeau International Airport (Airport Code YUL).
This flight data pertains specifically to the flight's details for Wednesday, December 10, 2025.

AC865 On Time performance:
92
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

AC865 Air Canada to Montreal

En Route - On-time
Flight Status for Wednesday December 10, 2025
This flight was also scheduled for Yesterday (December 09, 2025). See it here
This flight is also scheduled for Tomorrow (December 11, 2025). See it here

Airline information

Air Canada
Air Canada
Equipment: Boeing 777-300ER

Departure

London (LHR)
December 10, 2025
London Heathrow Airport
Departed at:
13:24
Terminal:
2
Gate:
B42
Scheduled Departure Time: 13:25

Arrival

Montreal (YUL)
December 10, 2025
Montreal-Trudeau International Airport
Estimated Arrival Time:
15:51
Terminal:
-
Gate:
65
Scheduled Arrival Time: 16:10
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-london-heathrow.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- LH6838 - Lufthansa

- ME4507 - Middle East Airlines

- MS9600 - EgyptAir

- OS8239 - Austrian

- TG5814 - Thai Airways International

- UA8297 - United Airlines

Additional Information

Which is the frequency of flight AC865?
The flight AC865 is scheduled to flight on daily basis.

Which is the distance of flight AC865?
The distance between the two airports is 5218 kilometers.

Which is the flight time of flight AC865?
The scheduled flight time gate to gate is: 07:45 hours.
The real flight time gate to gate on average is: 07:18 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in London: 2025-12-10 17:47:35
Current Time in Montreal: 2025-12-10 12:47:35

Alternative Flights

The following airline serve the same route between London and Montreal:
British Airways - Flight Number: BA95. (On Time performance: 78 - Average Delay: 16 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from September 03, 2025 to December 02, 2025, we have obtained these figures.
Total number of flights: 76
On Time: 70 ( 92 % )
Moderate Delay: 2 ( 3 % )
Significant Delay: 2 ( 3 % )
Major Delay: 2 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 7 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 03, 2025 to December 02, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from December 02, 2024 to November 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights AC865

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
09 December
13:18
London (LHR)
15:33
Montreal (YUL)
07h 15min
Boeing 777-300
Boeing 777-300
Landed - On-time
Monday
08 December
13:19
London (LHR)
15:17
Montreal (YUL)
06h 58min
Boeing 777-300
Boeing 777-300
Landed - On-time
Sunday
07 December
13:44
London (LHR)
16:00
Montreal (YUL)
07h 16min
Boeing 777-300
Boeing 777-300
Landed - On-time
Saturday
06 December
13:19
London (LHR)
15:34
Montreal (YUL)
07h 15min
Boeing 777-300
Boeing 777-300
Landed - On-time
Friday
05 December
13:21
London (LHR)
16:11
Montreal (YUL)
07h 50min
Boeing 777-300
Boeing 777-300
Landed - On-time
Thursday
04 December
13:36
London (LHR)
16:05
Montreal (YUL)
07h 29min
Boeing 777-300
Boeing 777-300
Landed - On-time
Wednesday
03 December
13:20
London (LHR)
15:32
Montreal (YUL)
07h 12min
Boeing 777-300
Boeing 777-300
Landed - On-time
Tuesday
02 December
13:21
London (LHR)
15:53
Montreal (YUL)
07h 32min
Airbus A330-30
Airbus A330-30
Landed - On-time
Monday
01 December
13:34
London (LHR)
15:58
Montreal (YUL)
07h 24min
Airbus A330-30
Airbus A330-30
Landed - On-time
Sunday
30 November
13:45
London (LHR)
16:35
Montreal (YUL)
07h 50min
Airbus A330-30
Airbus A330-30
Landed - Delayed