UA3900 Flight Status United Airlines: San Francisco to Los Angeles (UAL3900)
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UA 3900 San Francisco to Los Angeles Flight Status
Not scheduled today (November 9th, 2026). Latest flight: September 10th, 2026 ; recent history is in the table below.
UA 3900 Flight Status & Schedule United Airlines San Francisco to Los Angeles
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 10 | SFO | LAX | 20:59 | 21:52 | Landed | Track > |
| Aug 23 | SFO | LAX | 13:39 | 14:33 | Delayed | Track > |
United Airlines operates UA 3900 from San Francisco to Los Angeles, a 543 km (338 mi) trip. The timetable allows 1 h 39 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 10 September 2026, landed on time.
About UA 3900
- Distance
- 543 km (338 mi)
- Scheduled flight time
- 1 h 39 min
UA 3900 FAQ
- How long is the UA3900 flight?
- The timetable allows 1 h 39 min. San Francisco to Los Angeles is 543 km (338 mi).
- What other flight numbers does UA3900 have?
- Also listed as UAL3900 (United Airlines' ICAO code) and UA 3900.
UA3900 and San Francisco SFO to Los Angeles LAX Flights
Other flights departing from San Francisco SFO: WN2680, UA1145, UA5753, UA1973
Other flights arriving at Los Angeles LAX: DL319, WN1984, WN2680, WN706
All flights connecting San Francisco SFO to Los Angeles LAX.