Is UA1791 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
209 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
San Francisco
SFO
Actual
Aug 31
Arrival
Dulles
IAD
Estimated
Sep 1
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (America/Los_Angeles)
66 min late
Updated
Departure
San Diego
SAN
Actual
Aug 31
Arrival
San Francisco
SFO
Actual
Aug 31
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
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.
- 30 min late
SAN → SFO
- 61 min late
SFO → IAD
- 75 min late
SAN → SFO
- 19 min early
SFO → IAD
- 45 min late
SAN → SFO
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 38
- Arrivals over 15 minutes late
- 18
- Observed cancellations
- 0
- Observed occurrences
- 53
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 18, 2026Arrived | San Diego | San Francisco | 30 | |
| Sep 17, 2026Arrived | San Francisco | Dulles | 61 | |
| Sep 17, 2026Arrived | San Diego | San Francisco | 75 | |
| Sep 16, 2026Arrived | San Francisco | Dulles | -19 | |
| Sep 16, 2026Arrived | San Diego | San Francisco | 45 | |
| Sep 15, 2026Arrived | San Diego | San Francisco | 21 | |
| Sep 14, 2026Arrived | San Francisco | Dulles | 55 | |
| Sep 14, 2026Arrived | San Diego | San Francisco | -7 | |
| Sep 13, 2026Arrived | San Francisco | Dulles | -12 | |
| Sep 13, 2026Arrived | San Diego | San Francisco | -12 | |
| Sep 12, 2026Arrived | San Francisco | Dulles | -35 | |
| Sep 12, 2026Arrived | San Diego | San Francisco | 22 | |
| Sep 11, 2026Arrived | San Francisco | Dulles | 28 | |
| Sep 11, 2026Arrived | San Diego | San Francisco | 19 | |
| Sep 10, 2026Arrived | San Diego | San Francisco | 6 | |
| Sep 9, 2026Arrived | San Diego | San Francisco | 13 | |
| Sep 8, 2026Arrived | San Diego | San Francisco | 35 | |
| Sep 7, 2026Arrived | San Francisco | Dulles | -10 | |
| Sep 7, 2026Arrived | San Diego | San Francisco | 8 | |
| Sep 6, 2026Arrived | San Francisco | Dulles | -35 | |
| Sep 6, 2026Arrived | San Diego | San Francisco | 29 | |
| Sep 5, 2026Arrived | San Francisco | Dulles | -28 | |
| Sep 5, 2026Arrived | San Diego | San Francisco | -22 | |
| Sep 4, 2026Arrived | San Francisco | Dulles | 8 | |
| Sep 4, 2026Arrived | San Diego | San Francisco | -14 | |
| Sep 3, 2026Arrived | San Francisco | Dulles | -10 | |
| Sep 3, 2026Arrived | San Diego | San Francisco | 4 | |
| Sep 2, 2026Arrived | San Francisco | Dulles | 14 | |
| Sep 2, 2026Arrived | San Diego | San Francisco | 69 | |
| Sep 1, 2026Arrived | San Diego | San Francisco | 48 | |
| Aug 31, 2026Arrived | San Diego | San Francisco | 66 | |
| Aug 30, 2026Arrived | San Diego | San Francisco | 34 | |
| Aug 29, 2026Arrived | San Diego | San Francisco | -13 | |
| Aug 28, 2026Arrived | San Diego | San Francisco | 115 | |
| Aug 27, 2026Arrived | San Diego | San Francisco | 1 | |
| Aug 26, 2026Arrived | San Diego | San Francisco | -6 | |
| Aug 25, 2026Arrived | San Diego | San Francisco | 74 | |
| Aug 23, 2026Arrived | San Diego | San Francisco | 45 |