United Airlines
Is UA2639 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
33 min late
Official source · Updated
Departure
Dallas-Fort Worth
DFW
Actual
Scheduled 07:20
Sep 4
Arrival
Dulles
IAD
Actual
Scheduled 11:23
Sep 4
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 51 min early
DFW → IAD
- 28 min late
DFW → IAD
- 14 min early
DFW → IAD
- 12 min early
DFW → IAD
- 5 min early
DFW → IAD
Flight history and details
Aug 24, 2026 — Sep 23, 2026
- Observed arrivals
- 10
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 10
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 21, 2026Arrived | Dallas-Fort Worth | Dulles | -51 | |
| Sep 20, 2026Arrived | Dallas-Fort Worth | Dulles | 28 | |
| Sep 18, 2026Arrived | Dallas-Fort Worth | Dulles | -14 | |
| Sep 14, 2026Arrived | Dallas-Fort Worth | Dulles | -12 | |
| Sep 13, 2026Arrived | Dallas-Fort Worth | Dulles | -5 | |
| Sep 7, 2026Arrived | Dallas-Fort Worth | Dulles | -4 | |
| Sep 4, 2026Arrived | Dallas-Fort Worth | Dulles | 33 | |
| Aug 31, 2026Arrived | Dallas-Fort Worth | Dulles | -9 | |
| Aug 30, 2026Arrived | Dallas-Fort Worth | Dulles | -10 | |
| Aug 28, 2026Arrived | Dallas-Fort Worth | Dulles | -23 |