flight_takeoff Flight
UAL3900
Live map
Recent history last 28
| Date | Aircraft | Route | Takeoff | Landing | Duration | Dep Δ | Arr Δ |
|---|---|---|---|---|---|---|---|
| 2026-07-11 | A12F2A | - | Jul 11, 11:25 UTC | Jul 11, 12:10 UTC | 45m | - | - |
| 2026-07-06 | A44611 | - | Jul 6, 20:50 UTC | Jul 6, 22:45 UTC | 1h 55m | - | - |
| 2026-07-04 | A46D26 | - | Jul 4, 00:10 UTC | Jul 4, 01:55 UTC | 1h 45m | - | - |
| 2026-07-02 | AC0AAC | SJC → DEN | Jul 2, 13:00 UTC | Jul 2, 13:30 UTC | 30m | - | - |
| 2026-06-29 | A1D8FD | SJC → DEN | Jun 29, 22:39 UTC | Jun 30, 01:14 UTC | 2h 35m | - | - |
| 2026-06-29 | A1D8FD | SJC → DEN | Jun 29, 22:17 UTC | Jun 30, 01:38 UTC | 3h 21m | +17m | -17m |
| 2026-06-28 | AB050F | SJC → DEN | Jun 28, 09:55 UTC | Jun 28, 11:35 UTC | 1h 40m | - | - |
| 2026-06-22 | A5CC12 | SJC → DEN | Jun 22, 03:10 UTC | Jun 22, 03:54 UTC | 45m | - | - |
| 2026-06-19 | AAA125 | SJC → DEN | Jun 19, 22:56 UTC | Jun 20, 01:36 UTC | 2h 40m | +26m | +5m |
| 2026-06-19 | AAA125 | SJC → DEN | Jun 19, 22:49 UTC | Jun 20, 01:39 UTC | 2h 50m | - | - |
| 2026-06-14 | A12733 | SJC → DEN | Jun 14, 07:05 UTC | Jun 14, 07:45 UTC | 40m | - | - |
| 2026-06-12 | A6045D | SJC → DEN | Jun 12, 11:40 UTC | Jun 12, 12:45 UTC | 1h 5m | - | - |
| 2026-06-12 | A6045D | SJC → DEN | Jun 12, 11:29 UTC | Jun 12, 12:34 UTC | 1h 5m | +29m | -21m |
| 2026-06-12 | A126C3 | SJC → DEN | Jun 12, 06:30 UTC | Jun 12, 07:10 UTC | 40m | - | - |
| 2026-06-10 | A0ACFD | SJC → DEN | Jun 10, 18:45 UTC | Jun 10, 19:50 UTC | 1h 5m | - | - |
| 2026-06-06 | A43EC9 | SJC → DEN | Jun 6, 15:30 UTC | Jun 6, 17:05 UTC | 1h 35m | - | - |
| 2026-06-01 | A9067B | SJC → DEN | Jun 1, 09:15 UTC | Jun 1, 18:10 UTC | 8h 55m | - | - |
| 2026-06-01 | A9067B | SJC → DEN | Jun 1, 08:50 UTC | Jun 1, 18:15 UTC | 9h 25m | +890m | +34m |
| 2026-05-26 | A12F6F | SJC → DEN | May 26, 03:55 UTC | May 26, 04:50 UTC | 55m | - | - |
| 2026-05-16 | A1B5E7 | SJC → DEN | May 16, 00:40 UTC | May 16, 00:55 UTC | 15m | - | - |
| 2026-05-15 | A1B5E7 | SJC → DEN | May 15, 15:15 UTC | May 16, 00:55 UTC | 9h 40m | - | - |
| 2026-05-15 | A1B5E7 | SJC → DEN | May 15, 14:20 UTC | May 15, 14:30 UTC | 10m | - | - |
| 2026-05-15 | A1B5E7 | SJC → DEN | May 15, 13:45 UTC | May 16, 00:23 UTC | 10h 38m | +15m | +9m |
| 2026-05-08 | A89D59 | SJC → DEN | May 8, 14:25 UTC | May 8, 15:05 UTC | 40m | - | - |
| 2026-05-05 | AA6B9F | SJC → DEN | May 5, 16:50 UTC | May 5, 20:01 UTC | 3h 10m | - | - |
| 2026-05-03 | A3C3E6 | SJC → DEN | May 3, 15:55 UTC | May 3, 19:25 UTC | 3h 30m | - | - |
| 2026-05-03 | A3C3E6 | SJC → DEN | May 3, 15:16 UTC | May 3, 18:59 UTC | 3h 43m | +16m | -51m |
| 2026-04-28 | A836FB | SJC → DEN | Apr 28, 13:20 UTC | Apr 28, 15:05 UTC | 1h 45m | - | - |
Performance history
- Flights tracked
- 28
- Avg arrival delay
- -7m
- On-time arrival
- 83% 83% on time
- Aircraft used
- 20
Monthly activity 4 months
| Month | Flights tracked |
|---|---|
| July 2026 | 4 |
| June 2026 | 14 |
| May 2026 | 9 |
| April 2026 | 1 |
UAL3900 frequently asked
How long is flight UAL3900?
Based on observed flights, UAL3900 takes on average 2h 47m from takeoff to landing.
How often does UAL3900 fly?
UAL3900 has been observed flying several times a week in our tracking data. We've recorded 28 flights under this callsign.
Is flight UAL3900 usually on time?
Across recent flights, UAL3900 arrives 7 minutes early on average. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3900?
UAL3900 has been operated by 20 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3900 live?
Yes. When UAL3900 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.