(UA) United Airlines 5251 Flight Details
Delayed by 53m | Departed
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
13-Dec-2025
Scheduled
09:56
MST
Actual
10:49
MST
Total Departure Delay: 53 mins
Flight Runway Times
13-Dec-2025
Scheduled
10:31
MST
Estimated
11:04
MST
Runway Delay: 33 mins
Terminal
-
Gate
B71
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 43m
Arrival
SLC
Salt Lake City International Airport, UT, US
Flight Gate Times
13-Dec-2025
Scheduled
11:39
MST
Estimated
12:32
MST
Total Arrival Delay: 53 mins
Flight Runway Times
13-Dec-2025
Scheduled
11:47
MST
Estimated
12:13
MST
Runway Delay: 26 mins
Terminal
-
Gate
B13
Baggage Claim
4
Tail Number
N146SY
Flight Time
Estimated
1h 43m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (AC) Air Canada 4012
Event Timeline
Date
Event
Data Updated
13 Dec
17:50
10:50
10:50
Time Adjustment
Estimated Runway Arrival changed from Dec-13-2025 12:26 PM to Dec-13-2025 12:13 PM
13 Dec
17:50
10:50
10:50
Status Active
Actual Gate Departure changed to Dec-13-2025 10:49 AM
Status changed from Scheduled to Active
13 Dec
17:49
10:49
10:49
Time Adjustment
Estimated Runway Departure changed from Dec-13-2025 10:59 AM to Dec-13-2025 11:04 AM
Estimated Gate Departure changed from Dec-13-2025 10:44 AM to Dec-13-2025 10:49 AM
Estimated Gate Arrival changed from Dec-13-2025 12:27 PM to Dec-13-2025 12:32 PM
13 Dec
17:45
10:45
10:45
Time Adjustment
Estimated Runway Arrival changed from Dec-13-2025 12:21 PM to Dec-13-2025 12:26 PM
13 Dec
17:13
10:13
10:13
Time Adjustment
Estimated Runway Departure changed from Dec-13-2025 11:00 AM to Dec-13-2025 10:59 AM
Estimated Gate Departure changed from Dec-13-2025 10:45 AM to Dec-13-2025 10:44 AM
Estimated Gate Arrival changed from Dec-13-2025 12:28 PM to Dec-13-2025 12:27 PM
13 Dec
17:13
10:13
10:13
Time Adjustment
Estimated Runway Arrival changed from Dec-13-2025 11:34 AM to Dec-13-2025 12:21 PM
13 Dec
16:12
09:12
09:12
Time Adjustment
Estimated Runway Departure changed from Dec-13-2025 10:31 AM to Dec-13-2025 11:00 AM
Estimated Gate Departure changed from Dec-13-2025 10:10 AM to Dec-13-2025 10:45 AM
Estimated Gate Arrival changed from Dec-13-2025 11:53 AM to Dec-13-2025 12:28 PM
13 Dec
15:55
08:55
08:55
Time Adjustment
Estimated Runway Arrival changed from Dec-13-2025 11:46 AM to Dec-13-2025 11:34 AM
13 Dec
14:56
07:56
07:56
Time Adjustment
Estimated Runway Arrival changed to Dec-13-2025 11:46 AM
13 Dec
14:55
07:55
07:55
Time Adjustment
Estimated Gate Departure changed from Dec-13-2025 9:56 AM to Dec-13-2025 10:10 AM
Estimated Gate Arrival changed from Dec-13-2025 11:39 AM to Dec-13-2025 11:53 AM
13 Dec
14:55
07:55
07:55
Time Adjustment
Scheduled Runway Departure changed from Dec-13-2025 10:17 AM to Dec-13-2025 10:31 AM
Scheduled Runway Arrival changed from Dec-13-2025 11:33 AM to Dec-13-2025 11:47 AM
13 Dec
14:55
07:55
07:55
Time Adjustment
Estimated Runway Departure changed to Dec-13-2025 10:31 AM
13 Dec
14:07
07:07
07:07
Gate Adjustment
Departure Gate changed from B55 to B71
13 Dec
09:01
02:01
02:01
Gate Adjustment
Departure Gate changed from B56 to B55
13 Dec
08:49
01:49
01:49
Equipment Adjustment
Tail Number changed from N140SY to N146SY
13 Dec
07:55
00:55
00:55
Gate Adjustment
Departure Gate changed from B55 to B56
Baggage changed to 4
13 Dec
07:49
00:49
00:49
Gate Adjustment
Arrival Gate changed to B13
12 Dec
17:06
10:06
10:06
Time Adjustment
Scheduled Runway Departure changed from Dec-13-2025 10:04 AM to Dec-13-2025 10:17 AM
Scheduled Runway Arrival changed from Dec-13-2025 11:06 AM to Dec-13-2025 11:33 AM
12 Dec
17:01
10:01
10:01
Time Adjustment
Scheduled Runway Departure changed to Dec-13-2025 10:04 AM
Scheduled Runway Arrival changed to Dec-13-2025 11:06 AM
12 Dec
04:07
21:07
21:07
Gate Adjustment
Departure Gate changed to B55
12 Dec
01:55
18:55
18:55
Equipment Adjustment
Tail Number changed from N148SY to N140SY
11 Dec
04:08
21:08
21:08
Time Adjustment
Estimated Gate Departure changed to Dec-13-2025 9:56 AM
Estimated Gate Arrival changed to Dec-13-2025 11:39 AM
Tail Number changed to N148SY
Actual Equipment changed to E75
10 Dec
18:44
11:44
11:44
Record Created
10 Dec
18:44
11:44
11:44
Time Adjustment
Scheduled Gate Departure changed to Dec-13-2025 9:56 AM
Scheduled Gate Arrival changed to Dec-13-2025 11:39 AM
Scheduled Equipment changed to E7W