Is UA1257 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
No live update yet
Check with your airline for the latest status.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Sep 16
Arrival
San Diego
SAN
Scheduled
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
52 min late
Official source · Updated
Departure
Portland
PDX
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
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
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 52 min late
PDX → SFO
- 5 min early
SFO → SAN
- On time
PDX → SFO
- 11 min late
SFO → SAN
- 17 min late
PDX → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 22
- Arrivals over 15 minutes late
- 11
- Observed cancellations
- 0
- Observed occurrences
- 40
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 | Portland | San Francisco | 52 | |
| Sep 15, 2026Arrived | San Francisco | San Diego | -5 | |
| Sep 15, 2026Arrived | Portland | San Francisco | 0 | |
| Sep 14, 2026Arrived | San Francisco | San Diego | 11 | |
| Sep 14, 2026Arrived | Portland | San Francisco | 17 | |
| Sep 13, 2026Arrived | San Francisco | San Diego | -14 | |
| Sep 13, 2026Arrived | Portland | San Francisco | -14 | |
| Sep 12, 2026Arrived | Portland | San Francisco | 13 | |
| Sep 11, 2026Arrived | Portland | San Francisco | 123 | |
| Sep 10, 2026Arrived | San Francisco | San Diego | 53 | |
| Sep 10, 2026Arrived | Portland | San Francisco | 8 | |
| Sep 9, 2026Arrived | San Francisco | San Diego | -6 | |
| Sep 9, 2026Arrived | Portland | San Francisco | 20 | |
| Sep 8, 2026Arrived | San Francisco | San Diego | -10 | |
| Sep 8, 2026Arrived | Portland | San Francisco | 31 | |
| Sep 7, 2026Arrived | St Louis | San Francisco | 31 | |
| Sep 6, 2026Arrived | San Francisco | San Diego | -11 | |
| Sep 6, 2026Arrived | St Louis | San Francisco | 21 | |
| Sep 5, 2026Arrived | San Francisco | San Diego | 351 | |
| Sep 4, 2026Arrived | San Francisco | San Diego | 68 | |
| Sep 4, 2026Arrived | St Louis | San Francisco | -3 | |
| Aug 27, 2026Arrived | San Francisco | San Diego | 64 |