(UA) United Airlines 525 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
20-Dec-2025
Scheduled
13:30
MST
Estimated
13:30
MST
Total Departure Delay: -
Flight Runway Times
20-Dec-2025
Scheduled
13:43
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A18
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 5m
Arrival
TUS
Tucson International Airport, AZ, US
Flight Gate Times
20-Dec-2025
Scheduled
15:35
MST
Estimated
15:35
MST
Total Arrival Delay: -
Flight Runway Times
20-Dec-2025
Scheduled
15:31
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A8
Baggage Claim
7
Tail Number
N66897
Flight Time
Estimated
2h 5m
Flight Notes
Also marketed as (AC) Air Canada 4130
Event Timeline
Date
Event
Data Updated
19 Dec
20:42
13:42
13:42
Time Adjustment
Scheduled Runway Departure changed from Dec-20-2025 1:40 PM to Dec-20-2025 1:43 PM
Scheduled Runway Arrival changed from Dec-20-2025 3:19 PM to Dec-20-2025 3:31 PM
19 Dec
20:31
13:31
13:31
Time Adjustment
Scheduled Runway Departure changed to Dec-20-2025 1:40 PM
Scheduled Runway Arrival changed to Dec-20-2025 3:19 PM
19 Dec
07:13
00:13
00:13
Gate Adjustment
Departure Gate changed to A18
18 Dec
12:19
05:19
05:19
Gate Adjustment
Arrival Gate changed to A8
Baggage changed to 7
17 Dec
21:37
14:37
14:37
Equipment Adjustment
Tail Number changed to N66897
Actual Equipment changed to 7S9
17 Dec
21:37
14:37
14:37
Time Adjustment
Estimated Gate Departure changed to Dec-20-2025 1:30 PM
Estimated Gate Arrival changed to Dec-20-2025 3:35 PM
17 Dec
18:47
11:47
11:47
Record Created
17 Dec
18:47
11:47
11:47
Time Adjustment
Scheduled Gate Departure changed to Dec-20-2025 1:30 PM
Scheduled Gate Arrival changed to Dec-20-2025 3:35 PM
Scheduled Equipment changed to 739