Is UA1601 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
15 min early
Official source · Updated
Departure
Ontario
ONT
Scheduled
Sep 8
Arrival
San Francisco
SFO
Actual
Scheduled 10:21
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
ONTSFO
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 109 min late
ONT → SFO
- 42 min late
ONT → SFO
- 11 min early
ONT → SFO
- 26 min early
ONT → SFO
- 5 min early
ONT → SFO
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 13
- 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 17, 2026Arrived | Ontario | San Francisco | 109 | |
| Sep 16, 2026Arrived | Ontario | San Francisco | 42 | |
| Sep 15, 2026Arrived | Ontario | San Francisco | -11 | |
| Sep 14, 2026Arrived | Ontario | San Francisco | -26 | |
| Sep 13, 2026Arrived | Ontario | San Francisco | -5 | |
| Sep 11, 2026Arrived | Ontario | San Francisco | -4 | |
| Sep 10, 2026Arrived | Ontario | San Francisco | 27 | |
| Sep 9, 2026Arrived | Ontario | San Francisco | -14 | |
| Sep 8, 2026Arrived | Ontario | San Francisco | -15 | |
| Sep 7, 2026Arrived | Midland | Houston | -15 | |
| Sep 6, 2026Arrived | Midland | Houston | 0 | |
| Sep 5, 2026Arrived | Midland | Houston | -15 | |
| Sep 4, 2026Arrived | Midland | Houston | -12 |