United Airlines
Is UA3940 delayed?
Service date: · Scheduled departure date (UTC)
Last reported
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Charleston
CHS
Scheduled
Sep 17
Arrival
Dulles
IAD
Scheduled
Sep 17
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
CHSIAD
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 |