Is UA1791 delayed?
Yes — UA1791 landed in San Francisco 76 min late, at 12:47 on Oct 1 (as of Oct 1, 20:28 UTC).
Usually on time: arrived within 15 min of schedule on 32 of the last 52 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
76 min late
Official source · Updated
Departure
San Diego
SAN
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Scheduled 11:31
Oct 1
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Market settled: Delayed.
Think UA1791 runs late on Oct 2? Delayed is trading at 19¢ — pays out x5.30.
Will United Airlines UAL 1791 from San Francisco to Dulles arrive on time, be delayed, or be cancelled on Oct 2?Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
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.
17 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 14:12
Oct 1
Arrival
Dulles
IAD
Actual
Scheduled 22:07
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
Also sold as AC4162, AZ4448, CA7304, LH8951, VA8583
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min early
San Francisco → Dulles
- 76 min late
San Diego → San Francisco
- 5 min early
San Diego → San Francisco
- On schedule (6 min behind)
San Francisco → Dulles
- 23 min early
San Diego → San Francisco
Is UA1791 usually late?
Observation window: Sep 2, 2026 – Oct 2, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
San Diego (SAN) departures
- Left more than 15 min late
- 163 of 277
- Cancelled today
- 4
San Francisco (SFO) departures
- Left more than 15 min late
- 275 of 527
- Cancelled today
- 7
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 1, 2026Arrived | San Francisco | Dulles | -17 | |
| Oct 1, 2026Arrived | San Diego | San Francisco | 76 | |
| Sep 30, 2026Arrived | San Diego | San Francisco | -5 | |
| Sep 29, 2026Arrived | San Francisco | Dulles | 6 | |
| Sep 29, 2026Arrived | San Diego | San Francisco | -23 | |
| Sep 28, 2026Arrived | San Francisco | Dulles | -9 | |
| Sep 28, 2026Arrived | San Diego | San Francisco | 51 | |
| Sep 27, 2026Arrived | San Francisco | Dulles | 24 | |
| Sep 27, 2026Arrived | San Diego | San Francisco | 61 | |
| Sep 26, 2026Arrived | San Francisco | Dulles | -22 | |
| Sep 26, 2026Arrived | San Diego | San Francisco | 21 | |
| Sep 25, 2026Arrived | San Francisco | Dulles | -5 | |
| Sep 25, 2026Arrived | San Diego | San Francisco | 43 | |
| Sep 24, 2026Arrived | San Francisco | Dulles | 10 | |
| Sep 24, 2026Arrived | San Diego | San Francisco | -5 | |
| Sep 23, 2026Arrived | San Francisco | Dulles | 9 | |
| Sep 23, 2026Arrived | San Diego | San Francisco | 30 | |
| Sep 22, 2026Arrived | San Diego | San Francisco | 4 | |
| Sep 21, 2026Cancelled | San Diego | San Francisco | Not available | Not available |
| Sep 20, 2026Arrived | San Francisco | Dulles | -8 | |
| Sep 20, 2026Arrived | San Diego | San Francisco | 25 | |
| Sep 19, 2026Arrived | San Francisco | Dulles | -12 | |
| Sep 19, 2026Arrived | San Diego | San Francisco | -1 | |
| Sep 18, 2026Arrived | San Francisco | Dulles | 11 | |
| 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 |
Email me if UA1791 runs late
We email you if your next UA1791 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.