(UA) United Airlines 5651 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
18-Feb-2026
Scheduled
15:55
MST
Estimated
15:55
MST
Total Departure Delay: -
Flight Runway Times
18-Feb-2026
Scheduled
16:13
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
B69
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 18m
Arrival
TUS
Tucson International Airport, AZ, US
Flight Gate Times
18-Feb-2026
Scheduled
18:13
MST
Estimated
18:13
MST
Total Arrival Delay: -
Flight Runway Times
18-Feb-2026
Scheduled
18:09
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A7
Baggage Claim
7
Tail Number
N106SY
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
18 Feb
08:20
01:20
01:20
Gate Adjustment
Departure Gate changed from B21 to B69
18 Feb
06:27
23:27
23:27
Gate Adjustment
Departure Gate changed from B69 to B21
18 Feb
04:02
21:02
21:02
Equipment Adjustment
Tail Number changed from N121SY to N106SY
17 Feb
23:01
16:01
16:01
Time Adjustment
Scheduled Runway Departure changed from Feb-18-2026 4:02 PM to Feb-18-2026 4:13 PM
Scheduled Runway Arrival changed from Feb-18-2026 5:55 PM to Feb-18-2026 6:09 PM
17 Feb
22:56
15:56
15:56
Time Adjustment
Scheduled Runway Departure changed to Feb-18-2026 4:02 PM
Scheduled Runway Arrival changed to Feb-18-2026 5:55 PM
17 Feb
22:14
15:14
15:14
Gate Adjustment
Departure Gate changed to B69
17 Feb
12:38
05:38
05:38
Gate Adjustment
Arrival Gate changed to A7
Baggage changed to 7
17 Feb
03:27
20:27
20:27
Equipment Adjustment
Tail Number changed from N206SY to N121SY
17 Feb
03:27
20:27
20:27
Equipment Adjustment
Tail Number changed from N203SY to N206SY
17 Feb
02:39
19:39
19:39
Equipment Adjustment
Tail Number changed from N121SY to N203SY
16 Feb
18:45
11:45
11:45
Equipment Adjustment
Tail Number changed from N167SY to N121SY
16 Feb
18:45
11:45
11:45
Equipment Adjustment
Tail Number changed from N206SY to N167SY
16 Feb
18:38
11:38
11:38
Equipment Adjustment
Tail Number changed from N127SY to N206SY
16 Feb
04:10
21:10
21:10
Time Adjustment
Estimated Gate Departure changed to Feb-18-2026 3:55 PM
Estimated Gate Arrival changed to Feb-18-2026 6:13 PM
Tail Number changed to N127SY
Actual Equipment changed to E75
15 Feb
18:47
11:47
11:47
Record Created
15 Feb
18:47
11:47
11:47
Time Adjustment
Scheduled Gate Departure changed to Feb-18-2026 3:55 PM
Scheduled Gate Arrival changed to Feb-18-2026 6:13 PM
Scheduled Equipment changed to E7W