Flight UA 3900: Seoul Incheon → San Francisco
United Airlines9 November 2026CancelledUpdated 2 d ago, official airport data
Today, 12 November 2026, flight UA 3900 is not on the boards of the airports we track. The nearest flight is shown below.
Cancelled
Data from the official airport boards. Times are local to each airport.
- Flight time
- 2 h 52 min
- Distance
- ≈ 9,085 km
- Days of the week
Punctuality of flight UA 3900
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
Flight UA 3900 history
Flights of the last 60 days from the airport boards. Delay against the scheduled departure.
| Date / Departure | Route | Departure | Delay | Status |
|---|---|---|---|---|
| Fri 6 Nov08:00 | San Juan → Newark | 08:00 | — | Scheduled |
| Thu 5 Nov15:00 | Houston Bush → Washington Dulles | 15:00 | — | Cancelled |
| Wed 4 Nov10:003 min early | Tulsa → Houston Bush | 10:00 | 3 min early | Landed |
| Tue 3 Nov11:30+525 min | Toronto → Houston Bush | 11:30 | +525 min | Cancelled |
| Mon 2 Nov11:38 | Newark → Chicago O'Hare | 11:38 | — | Scheduled |
| Thu 29 Oct08:51 | Austin → Chicago O'Hare | 08:51 | — | Cancelled |
| Wed 28 Oct10:30 | Honolulu → Hong Kong | 10:30 | — | Cancelled |
| Thu 22 Oct17:45+120 min | Chicago O'Hare → Orlando | 17:45 | +120 min | Cancelled |
| Sun 18 Oct10:00+956 min | Hong Kong → Honolulu | 10:00 | +956 min | Landed |
| Fri 16 Oct10:38 | San Francisco → Honolulu | 10:38 | — | Cancelled |
| Thu 15 Oct13:00no delay | Amsterdam → Newark | 13:00 | no delay | Cancelled |
| Tue 13 Oct07:30no delay | St. John's → Amsterdam | 07:30 | no delay | Cancelled |
| Thu 8 Oct14:49 | Rome Fiumicino → Chicago O'Hare | 14:49 | — | Cancelled |
Flight UA 3900: schedule and upcoming dates
- Days it flew in the last 60 days
- Usual departure time
- 08:00
- Usual arrival time
- 07:30
Dates already on the boards
The boards do not show the next dates of this flight yet. Airports usually publish flights one or two days ahead.
Route of flight UA 3900
Departure airport: Seoul Incheon (ICN). Arrival airport: San Francisco (SFO). Scheduled flight time: about 2 h 52 min. Distance between the airports: about 9,085 km in a straight line.