United Airlines
Is UA3940 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
66 min late
Official source · Updated
Departure
Albuquerque
ABQ
Actual
Scheduled 03:41
Sep 20
Arrival
Denver
DEN
Actual
Scheduled 22:49
Sep 19
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
ABQDEN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 66 min late
ABQ → DEN
- 51 min late
BNA → DEN
- 33 min late
DEN → ORD
- 7 min early
DEN → OKC
- 46 min late
ATL → ORD
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 1
- Observed occurrences
- 6
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 20, 2026Arrived | Albuquerque | Denver | 66 | |
| Sep 17, 2026Cancelled | Charleston | Dulles | Not available | Not available |
| Sep 15, 2026Arrived | Nashville | Denver | 51 | |
| Sep 9, 2026Arrived | Denver | Chicago | 33 | |
| Sep 8, 2026Arrived | Denver | Oklahoma City | -7 | |
| Sep 6, 2026Arrived | Atlanta | Chicago | 46 |