Air Canada
Is AC7991 delayed?
Service date: · Scheduled arrival date; departure time unavailable (UTC)
Estimated arrivalLast reported
6 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Deer Lake
YDF
Scheduled
Not available
Arrival
Montreal
YUL
Estimated
Scheduled 22:01
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
YDFYUL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 25 min late
YDF → YUL
- 10 min early
YDF → YUL
- 9 min late
YDF → YUL
- 2 min early
YDF → YUL
- 16 min late
YDF → YUL
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 11
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 15, 2026Arrived | Deer Lake | Montreal | 25 | |
| Sep 14, 2026Arrived | Deer Lake | Montreal | -10 | |
| Sep 12, 2026Arrived | Deer Lake | Montreal | 9 | |
| Sep 11, 2026Arrived | Deer Lake | Montreal | -2 | |
| Sep 10, 2026Arrived | Deer Lake | Montreal | 16 | |
| Sep 9, 2026Arrived | Deer Lake | Montreal | 5 | |
| Sep 8, 2026Arrived | Deer Lake | Montreal | -7 | |
| Sep 7, 2026Arrived | Deer Lake | Montreal | 8 | |
| Sep 6, 2026Arrived | Deer Lake | Montreal | 14 | |
| Sep 5, 2026Arrived | Deer Lake | Montreal | 46 | |
| Sep 4, 2026Arrived | Deer Lake | Montreal | 33 |