United Airlines
Is UA1531 delayed?
No delay reported yet. UA1531 is scheduled to leave Santa Ana at 18:53 on Nov 14 and reach San Francisco at 20:04 (as of Nov 14, 16:12 UTC).
Usually on time: arrived within 15 min of schedule on 21 of the last 28 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Santa Ana
SNA
Scheduled
Nov 14
Arrival
San Francisco
SFO
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Nov 14
Arrival
Dulles
IAD
Scheduled
Nov 15
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Also sold as AC4517, AC4540, NH7399, NZ2670, NZ9698, SN8866, CM1491, CM2504, LH9317, LX3293, EK6204, VA8496, VA8499
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 35 min late
San Francisco → Dulles
- 37 min late
Santa Ana → San Francisco
- 57 min late
San Francisco → Dulles
- 5 min early
Santa Ana → San Francisco
- 16 min early
San Francisco → Dulles
Is UA1531 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
San Francisco (SFO) departures
- Left more than 15 min late
- 25 of 49
- Cancelled today
- 41
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Cancelled | Santa Ana | San Francisco | Not available | Not available |
| Nov 12, 2026Arrived | San Francisco | Dulles | 35 | |
| Nov 12, 2026Arrived | Santa Ana | San Francisco | 37 | |
| Nov 11, 2026Arrived | San Francisco | Dulles | 57 | |
| Nov 11, 2026Arrived | Santa Ana | San Francisco | -5 | |
| Nov 10, 2026Arrived | San Francisco | Dulles | -16 | |
| Nov 10, 2026Arrived | Santa Ana | San Francisco | -3 | |
| Nov 9, 2026Arrived | San Francisco | Dulles | -3 | |
| Nov 9, 2026Arrived | Santa Ana | San Francisco | 5 | |
| Nov 8, 2026Arrived | San Francisco | Dulles | -2 | |
| Nov 8, 2026Arrived | Santa Ana | San Francisco | 2 | |
| Nov 7, 2026Arrived | San Francisco | Dulles | -6 | |
| Nov 7, 2026Arrived | Santa Ana | San Francisco | -17 | |
| Nov 6, 2026Arrived | San Francisco | Dulles | 53 | |
| Nov 6, 2026Arrived | Santa Ana | San Francisco | -11 | |
| Nov 5, 2026Arrived | San Francisco | Dulles | 0 | |
| Nov 5, 2026Arrived | Santa Ana | San Francisco | 12 | |
| Nov 4, 2026Arrived | San Francisco | Dulles | -19 | |
| Nov 4, 2026Arrived | Santa Ana | San Francisco | -19 | |
| Nov 3, 2026Arrived | San Francisco | Dulles | -16 | |
| Nov 3, 2026Arrived | Santa Ana | San Francisco | Not available | |
| Nov 2, 2026Arrived | San Francisco | Dulles | 19 | |
| Nov 1, 2026Arrived | San Francisco | Dulles | -13 | |
| Oct 31, 2026Arrived | San Francisco | Dulles | 11 | |
| Oct 30, 2026Arrived | San Francisco | Dulles | 21 | |
| Oct 29, 2026Arrived | San Francisco | Dulles | -18 | |
| Oct 28, 2026Arrived | San Francisco | Dulles | 0 | |
| Oct 27, 2026Arrived | San Francisco | Dulles | -21 | |
| Oct 26, 2026Arrived | San Francisco | Dulles | -14 | |
| Oct 25, 2026Arrived | San Francisco | Dulles | 29 |