(UA) United Airlines 525 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
18-Dec-2025
Scheduled
14:30
MST
Estimated
14:30
MST
Total Departure Delay: -
Flight Runway Times
18-Dec-2025
Scheduled
14:43
MST
Estimated
14:43
MST
Runway Delay: -
Terminal
-
Gate
B20
Craft Type
Airbus A319
319
Flight Time
Scheduled
2h 5m
Arrival
TUS
Tucson International Airport, AZ, US
Flight Gate Times
18-Dec-2025
Scheduled
16:35
MST
Estimated
16:20
MST
Total Arrival Delay: -
Flight Runway Times
18-Dec-2025
Scheduled
16:15
MST
Estimated
16:15
MST
Runway Delay: -
Terminal
-
Gate
A8
Baggage Claim
7
Tail Number
N839UA
Flight Time
Estimated
1h 50m
Flight Notes
Also marketed as (AC) Air Canada 4130
Event Timeline
Date
Event
Data Updated
18 Dec
18:49
11:49
11:49
Time Adjustment
Scheduled Runway Arrival changed from Dec-18-2025 4:30 PM to Dec-18-2025 4:15 PM
18 Dec
18:49
11:49
11:49
Time Adjustment
Estimated Runway Departure changed to Dec-18-2025 2:43 PM
Estimated Runway Arrival changed to Dec-18-2025 4:15 PM
Estimated Gate Arrival changed from Dec-18-2025 4:35 PM to Dec-18-2025 4:20 PM
17 Dec
22:07
15:07
15:07
Equipment Adjustment
Tail Number changed from N842UA to N839UA
17 Dec
21:36
14:36
14:36
Time Adjustment
Scheduled Runway Departure changed from Dec-18-2025 2:41 PM to Dec-18-2025 2:43 PM
Scheduled Runway Arrival changed from Dec-18-2025 4:16 PM to Dec-18-2025 4:30 PM
17 Dec
21:31
14:31
14:31
Time Adjustment
Scheduled Runway Departure changed to Dec-18-2025 2:41 PM
Scheduled Runway Arrival changed to Dec-18-2025 4:16 PM
17 Dec
08:31
01:31
01:31
Gate Adjustment
Departure Gate changed to B20
16 Dec
11:49
04:49
04:49
Time Adjustment
Estimated Gate Departure changed to Dec-18-2025 2:30 PM
Estimated Gate Arrival changed to Dec-18-2025 4:35 PM
Arrival Gate changed to A8
Baggage changed to 7
Tail Number changed to N842UA
Actual Equipment changed to 319
15 Dec
18:48
11:48
11:48
Record Created
15 Dec
18:48
11:48
11:48
Time Adjustment
Scheduled Gate Departure changed to Dec-18-2025 2:30 PM
Scheduled Gate Arrival changed to Dec-18-2025 4:35 PM
Scheduled Equipment changed to 319