United Airlines
Is UA3878 delayed?
UA3878 is listed as cancelled on Sep 25.
Last reported
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Denver
DEN
Scheduled
Sep 25
Arrival
Las Vegas
LAS
Scheduled
Sep 26
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
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.
- 21 min early
Houston → Lake City
Flight history and details
Aug 29, 2026 — Sep 28, 2026
- Observed arrivals
- 1
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 5
- Observed occurrences
- 7
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 25, 2026Cancelled | Denver | Las Vegas | Not available | Not available |
| Sep 21, 2026Cancelled | Lake City | Orlando | Not available | Not available |
| Sep 19, 2026Cancelled | Wichita | Houston | Not available | Not available |
| Sep 14, 2026Arrived | Houston | Lake City | -21 | |
| Sep 7, 2026Cancelled | Chicago | Lake City | Not available | Not available |
| Sep 4, 2026Cancelled | Dulles | Chicago | Not available | Not available |