(UA) United Airlines 5651 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
04-Mar-2026
Scheduled
15:55
MST
Estimated
15:55
MST
Total Departure Delay: -
Flight Runway Times
04-Mar-2026
Scheduled
16:13
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
B50
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 18m
Arrival
TUS
Tucson International Airport, AZ, US
Flight Gate Times
04-Mar-2026
Scheduled
18:13
MST
Estimated
18:13
MST
Total Arrival Delay: -
Flight Runway Times
04-Mar-2026
Scheduled
18:09
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A7
Baggage Claim
7
Tail Number
N142SY
Flight Time
Estimated
2h 18m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (AC) Air Canada 4252
Event Timeline
Date
Event
Data Updated
3 Mar
23:01
16:01
16:01
Time Adjustment
Scheduled Runway Departure changed from Mar-04-2026 4:04 PM to Mar-04-2026 4:13 PM
Scheduled Runway Arrival changed from Mar-04-2026 5:48 PM to Mar-04-2026 6:09 PM
3 Mar
22:56
15:56
15:56
Time Adjustment
Scheduled Runway Departure changed to Mar-04-2026 4:04 PM
Scheduled Runway Arrival changed to Mar-04-2026 5:48 PM
3 Mar
21:50
14:50
14:50
Gate Adjustment
Departure Gate changed to B50
3 Mar
02:21
19:21
19:21
Equipment Adjustment
Tail Number changed from N166SY to N142SY
2 Mar
12:38
05:38
05:38
Gate Adjustment
Arrival Gate changed to A7
Baggage changed to 7
2 Mar
04:09
21:09
21:09
Time Adjustment
Estimated Gate Departure changed to Mar-04-2026 3:55 PM
Estimated Gate Arrival changed to Mar-04-2026 6:13 PM
Tail Number changed to N166SY
Actual Equipment changed to E75
1 Mar
18:46
11:46
11:46
Record Created
1 Mar
18:46
11:46
11:46
Time Adjustment
Scheduled Gate Departure changed to Mar-04-2026 3:55 PM
Scheduled Gate Arrival changed to Mar-04-2026 6:13 PM
Scheduled Equipment changed to E7W