United Airlines
Is UA3901 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
22 min early
Official source · Updated
Departure
Austin
AUS
Actual
Scheduled 11:34
Sep 15
Arrival
San Francisco
SFO
Actual
Scheduled 13:05
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 22 min early
AUS → SFO
- 26 min late
IAD → SFO
- 36 min late
MEL → SFO
- 11 min early
CLE → IAH
- 117 min late
FCO → IAD
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 3
- Observed occurrences
- 9
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 16, 2026Cancelled | Dulles | Baltimore | Not available | Not available |
| Sep 15, 2026Arrived | Austin | San Francisco | -22 | |
| Sep 13, 2026Arrived | Dulles | San Francisco | 26 | |
| Sep 12, 2026Arrived | Melbourne | San Francisco | 36 | |
| Sep 9, 2026Arrived | Cleveland | Houston | -11 | |
| Sep 8, 2026Cancelled | Oklahoma City | Denver | Not available | Not available |
| Sep 7, 2026Arrived | Rome | Dulles | 117 | |
| Aug 20, 2026Cancelled | Paris | Phoenix | Not available | Not available |