United Airlines
Is UA939 delayed?
UA939 landed in San Francisco on Oct 24 (as of Oct 25, 02:34 UTC).
Arrived
Official source · Updated
Departure
London
LHR
Actual
Scheduled 16:15
Oct 24
Arrival
San Francisco
SFO
Actual
Oct 24
Times shown in airport local time
Service date: · Actual departure date; scheduled departure unavailable (Europe/London)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Also sold as AC3716, OS7911, SN9106, LH8572, LX3122
Is UA939 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
Arrivals tracked
0
Late
0
Cancelled
0
Percentages and delay figures appear once 10 arrivals are recorded.
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
London Heathrow (LHR) departures
- Left more than 15 min late
- 176 of 268
- Cancelled today
- 10
San Francisco (SFO) departures
- Left more than 15 min late
- 25 of 47
- Cancelled today
- 41
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 24, 2026Arrived | London | San Francisco | Not available |