(UA) United Airlines 451 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
02-Feb-2026
Scheduled
11:55
MST
Estimated
11:55
MST
Total Departure Delay: -
Flight Runway Times
02-Feb-2026
Scheduled
12:09
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
B23
Craft Type
Airbus A319
319
Flight Time
Scheduled
1h 17m
Arrival
RAP
Rapid City Regional Airport, SD, US
Flight Gate Times
02-Feb-2026
Scheduled
13:12
MST
Estimated
13:12
MST
Total Arrival Delay: -
Flight Runway Times
02-Feb-2026
Scheduled
13:06
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
4
Baggage Claim
-
Tail Number
N839UA
Flight Time
Estimated
1h 17m
Event Timeline
Date
Event
Data Updated
2 Feb
06:50
23:50
23:50
Equipment Adjustment
Tail Number changed from N844UA to N839UA
2 Feb
05:20
22:20
22:20
Gate Adjustment
Departure Gate changed from B24 to B23
2 Feb
01:20
18:20
18:20
Gate Adjustment
Departure Gate changed from B10 to B24
2 Feb
01:09
18:09
18:09
Equipment Adjustment
Tail Number changed from N839UA to N844UA
1 Feb
19:01
12:01
12:01
Time Adjustment
Scheduled Runway Departure changed from Feb-02-2026 12:08 PM to Feb-02-2026 12:09 PM
Scheduled Runway Arrival changed from Feb-02-2026 12:53 PM to Feb-02-2026 1:06 PM
1 Feb
18:56
11:56
11:56
Time Adjustment
Scheduled Runway Departure changed to Feb-02-2026 12:08 PM
Scheduled Runway Arrival changed to Feb-02-2026 12:53 PM
1 Feb
17:20
10:20
10:20
Gate Adjustment
Departure Gate changed to B10
1 Feb
08:09
01:09
01:09
Gate Adjustment
Arrival Gate changed to 4
31 Jan
20:26
13:26
13:26
Equipment Adjustment
Tail Number changed from N855UA to N839UA
31 Jan
11:39
04:39
04:39
Equipment Adjustment
Tail Number changed to N855UA
Actual Equipment changed to 319
31 Jan
11:39
04:39
04:39
Time Adjustment
Estimated Gate Departure changed to Feb-02-2026 11:55 AM
Estimated Gate Arrival changed to Feb-02-2026 1:12 PM
30 Jan
18:47
11:47
11:47
Record Created
30 Jan
18:47
11:47
11:47
Time Adjustment
Scheduled Gate Departure changed to Feb-02-2026 11:55 AM
Scheduled Gate Arrival changed to Feb-02-2026 1:12 PM
Scheduled Equipment changed to 319