(UA) United Airlines 5251 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
25-Dec-2025
Scheduled
19:15
MST
Estimated
19:15
MST
Total Departure Delay: -
Flight Runway Times
25-Dec-2025
Scheduled
19:34
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
B46
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 1m
Arrival
COS
Colorado Springs Airport, CO, US
Flight Gate Times
25-Dec-2025
Scheduled
20:16
MST
Estimated
20:16
MST
Total Arrival Delay: -
Flight Runway Times
25-Dec-2025
Scheduled
20:10
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
5
Baggage Claim
5
Tail Number
N203SY
Flight Time
Estimated
1h 1m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (AC) Air Canada 4102
Event Timeline
Date
Event
Data Updated
25 Dec
21:07
14:07
14:07
Gate Adjustment
Arrival Gate changed from 7 to 5
25 Dec
20:43
13:43
13:43
Gate Adjustment
Departure Gate changed from B64 to B46
25 Dec
03:07
20:07
20:07
Gate Adjustment
Departure Gate changed from B66 to B64
25 Dec
02:25
19:25
19:25
Gate Adjustment
Departure Gate changed from B48 to B66
25 Dec
02:21
19:21
19:21
Time Adjustment
Scheduled Runway Departure changed from Dec-25-2025 7:24 PM to Dec-25-2025 7:34 PM
Scheduled Runway Arrival changed from Dec-25-2025 7:39 PM to Dec-25-2025 8:10 PM
25 Dec
02:19
19:19
19:19
Equipment Adjustment
Tail Number changed from N165SY to N203SY
25 Dec
02:16
19:16
19:16
Time Adjustment
Scheduled Runway Departure changed to Dec-25-2025 7:24 PM
Scheduled Runway Arrival changed to Dec-25-2025 7:39 PM
24 Dec
13:31
06:31
06:31
Gate Adjustment
Departure Gate changed to B48
24 Dec
02:01
19:01
19:01
Equipment Adjustment
Tail Number changed from N157SY to N165SY
23 Dec
11:43
04:43
04:43
Gate Adjustment
Arrival Gate changed to 7
Baggage changed to 5
23 Dec
11:07
04:07
04:07
Equipment Adjustment
Tail Number changed from N161SY to N157SY
23 Dec
11:01
04:01
04:01
Equipment Adjustment
Tail Number changed from N162SY to N161SY
23 Dec
04:07
21:07
21:07
Time Adjustment
Estimated Gate Departure changed to Dec-25-2025 7:15 PM
Estimated Gate Arrival changed to Dec-25-2025 8:16 PM
Tail Number changed to N162SY
Actual Equipment changed to E75
22 Dec
18:41
11:41
11:41
Record Created
22 Dec
18:41
11:41
11:41
Time Adjustment
Scheduled Gate Departure changed to Dec-25-2025 7:15 PM
Scheduled Gate Arrival changed to Dec-25-2025 8:16 PM
Scheduled Equipment changed to E7W