Air Canada
Is AC4976 delayed?
Service date: · Scheduled arrival date; departure time unavailable (UTC)
Arrived
120 min late
Official source · Updated
Departure
Houston
IAH
Scheduled
Not available
Arrival
Calgary
YYC
Actual
Scheduled 18:54
Sep 10
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL537
IAHYYC
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 31 min early
IAH → YYC
- 28 min early
IAH → YYC
- 18 min early
IAH → YYC
- 6 min early
IAH → YYC
- 120 min late
IAH → YYC
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 8
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 16, 2026Arrived | Houston | Calgary | -31 | |
| Sep 15, 2026Arrived | Houston | Calgary | -28 | |
| Sep 14, 2026Arrived | Houston | Calgary | -18 | |
| Sep 12, 2026Arrived | Houston | Calgary | -6 | |
| Sep 10, 2026Arrived | Houston | Calgary | 120 | |
| Sep 9, 2026Arrived | Houston | Calgary | -27 | |
| Sep 7, 2026Arrived | Houston | Calgary | -20 | |
| Sep 5, 2026Arrived | Houston | Calgary | -41 |