Air Canada
Is AC4504 delayed?
Service date: · Scheduled arrival date; departure time unavailable (America/Toronto)
Arrived
5 min early
Official source · Updated
Departure
Houston
IAH
Scheduled
Not available
Arrival
Toronto
YYZ
Actual
Scheduled 22:36
Sep 15
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: UAL313
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 3 min late
IAH → YYZ
- 5 min early
IAH → YYZ
- 7 min early
IAH → YYZ
- 21 min early
IAH → YYZ
- 135 min late
IAH → YYZ
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 14
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 | Toronto | 3 | |
| Sep 15, 2026Arrived | Houston | Toronto | -5 | |
| Sep 14, 2026Arrived | Houston | Toronto | -7 | |
| Sep 13, 2026Arrived | Houston | Toronto | -21 | |
| Sep 12, 2026Arrived | Houston | Toronto | 135 | |
| Sep 11, 2026Arrived | Houston | Toronto | -9 | |
| Sep 10, 2026Arrived | Houston | Toronto | -4 | |
| Sep 9, 2026Arrived | Houston | Toronto | -19 | |
| Sep 8, 2026Arrived | Houston | Toronto | -5 | |
| Sep 7, 2026Arrived | Houston | Toronto | -6 | |
| Sep 6, 2026Arrived | Houston | Toronto | -9 | |
| Sep 5, 2026Arrived | Houston | Toronto | 140 | |
| Sep 4, 2026Arrived | Houston | Toronto | 17 | |
| Sep 3, 2026Arrived | Houston | Toronto | 5 |