Is UA1279 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
19 min early
Updated
Departure
Denver
DEN
Actual
Scheduled 06:00
Aug 24
Arrival
Dulles
IAD
Actual
Scheduled 11:24
Aug 24
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- 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.
- 10 min early
DEN → IAD
- 17 min early
DEN → IAD
- 19 min early
DEN → IAD
- 11 min early
DEN → IAD
- 12 min early
DEN → IAD
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 16
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 23
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 18, 2026Arrived | Denver | Dulles | -10 | |
| Sep 17, 2026Arrived | Denver | Dulles | -17 | |
| Sep 14, 2026Arrived | Denver | Dulles | -19 | |
| Sep 13, 2026Arrived | Denver | Dulles | -11 | |
| Sep 7, 2026Arrived | Denver | Dulles | -12 | |
| Sep 6, 2026Arrived | Denver | Dulles | -14 | |
| Sep 5, 2026Arrived | San Francisco | San Antonio | -8 | |
| Sep 4, 2026Arrived | Denver | Dulles | -24 | |
| Sep 3, 2026Arrived | Denver | Dulles | -23 | |
| Aug 31, 2026Arrived | Denver | Dulles | -17 | |
| Aug 30, 2026Arrived | Denver | Dulles | -13 | |
| Aug 28, 2026Arrived | Denver | Dulles | -22 | |
| Aug 27, 2026Arrived | Denver | Dulles | -22 | |
| Aug 24, 2026Arrived | Denver | Dulles | -19 | |
| Aug 23, 2026Arrived | Denver | Dulles | -23 | |
| Aug 21, 2026Arrived | Denver | Dulles | -6 |