Is UAL1877 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Denver)
20 min early
Official source · Updated
Departure
Denver
DEN
Actual
Sep 16
Arrival
Seattle
SEA
Actual
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Service date: · Scheduled departure date (UTC)
32 min early
Official source · Updated
Departure
Grand Junction
GJT
Actual
Sep 16
Arrival
Denver
DEN
Actual
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 20 min early
DEN → SEA
- 32 min early
GJT → DEN
- 10 min early
DEN → SEA
- 23 min early
GJT → DEN
- 4 min late
DEN → SEA
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 18
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 18
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 16, 2026Arrived | Denver | Seattle | -20 | |
| Sep 16, 2026Arrived | Grand Junction | Denver | -32 | |
| Sep 15, 2026Arrived | Denver | Seattle | -10 | |
| Sep 15, 2026Arrived | Grand Junction | Denver | -23 | |
| Sep 14, 2026Arrived | Denver | Seattle | 4 | |
| Sep 14, 2026Arrived | Grand Junction | Denver | 1 | |
| Sep 13, 2026Arrived | Denver | Seattle | 0 | |
| Sep 13, 2026Arrived | Grand Junction | Denver | -30 | |
| Sep 12, 2026Arrived | Grand Junction | Denver | 13 | |
| Sep 11, 2026Arrived | Denver | Seattle | 5 | |
| Sep 11, 2026Arrived | Grand Junction | Denver | -30 | |
| Sep 10, 2026Arrived | Grand Junction | Denver | 199 | |
| Sep 9, 2026Arrived | Grand Junction | Denver | 2 | |
| Sep 8, 2026Arrived | Grand Junction | Denver | -24 | |
| Sep 7, 2026Arrived | Grand Junction | Denver | -35 | |
| Sep 6, 2026Arrived | Grand Junction | Denver | -8 | |
| Sep 5, 2026Arrived | Grand Junction | Denver | 1 | |
| Sep 4, 2026Arrived | Grand Junction | Denver | -4 |