United Airlines
Is UA3901 delayed?
Service date: · Scheduled departure date (America/New_York)
Last reported
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Dulles
IAD
Scheduled
Sep 16
Arrival
Baltimore
BWI
Scheduled
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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 |