United Airlines
Is UA8433 delayed?
Service date: · Actual departure date; scheduled departure unavailable (America/Toronto)
Arrived
138 min late
Official source · Updated
Departure
Toronto
YYZ
Actual
Sep 15
Arrival
San Francisco
SFO
Actual
Scheduled 20:59
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: ACA745
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 138 min late
YYZ → SFO
- 1 min early
YYZ → SFO
- 51 min late
YYZ → SFO
- 5 min late
YYZ → SFO
- 117 min late
YYZ → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 0
- Observed occurrences
- 13
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 | Toronto | San Francisco | 138 | |
| Sep 14, 2026Arrived | Toronto | San Francisco | -1 | |
| Sep 13, 2026Arrived | Toronto | San Francisco | 51 | |
| Sep 12, 2026Arrived | Toronto | San Francisco | 5 | |
| Sep 11, 2026Arrived | Toronto | San Francisco | 117 | |
| Sep 10, 2026Arrived | Toronto | San Francisco | 6 | |
| Sep 9, 2026Arrived | Toronto | San Francisco | -7 | |
| Sep 8, 2026Arrived | Toronto | San Francisco | 30 | |
| Sep 7, 2026Arrived | Toronto | San Francisco | -22 | |
| Sep 6, 2026Arrived | Toronto | San Francisco | 39 | |
| Sep 5, 2026Arrived | Toronto | San Francisco | -23 | |
| Sep 4, 2026Arrived | Toronto | San Francisco | -2 | |
| Sep 3, 2026Arrived | Toronto | San Francisco | 42 |