United Airlines
Is UA8309 delayed?
Service date: · Actual departure date; scheduled departure unavailable (Europe/London)
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: ACA859
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 25 min late
LHR → YYZ
- On time
LHR → YYZ
- 24 min late
LHR → YYZ
- 9 min late
LHR → YYZ
- 56 min late
LHR → YYZ
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 15
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | London | Toronto | 25 | |
| Sep 16, 2026Arrived | London | Toronto | 0 | |
| Sep 15, 2026Arrived | London | Toronto | 24 | |
| Sep 14, 2026Arrived | London | Toronto | 9 | |
| Sep 13, 2026Arrived | London | Toronto | 56 | |
| Sep 12, 2026Arrived | London | Toronto | -8 | |
| Sep 11, 2026Arrived | London | Toronto | 42 | |
| Sep 10, 2026Arrived | London | Toronto | -6 | |
| Sep 9, 2026Arrived | London | Toronto | 4 | |
| Sep 8, 2026Arrived | London | Toronto | 73 | |
| Sep 7, 2026Arrived | London | Toronto | 0 | |
| Sep 6, 2026Arrived | London | Toronto | 0 | |
| Sep 5, 2026Arrived | London | Toronto | -28 | |
| Sep 4, 2026Arrived | London | Toronto | 6 | |
| Sep 3, 2026Arrived | London | Toronto | 8 |