(UA) United Airlines 255 Flight Details
Delayed by 1h | Scheduled
Departure
ATW
Appleton International Airport, WI, US
Flight Gate Times
21-Jul-2026
Scheduled
08:40
CDT
Estimated
09:40
CDT
Total Departure Delay: 1 h
Flight Runway Times
21-Jul-2026
Scheduled
09:45
CDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Craft Type
Airbus A320
320
Flight Time
Scheduled
2h 46m
Arrival
DEN
Denver International Airport, CO, US
Flight Gate Times
21-Jul-2026
Scheduled
10:26
MDT
Estimated
11:11
MDT
Total Arrival Delay: 45 mins
Flight Runway Times
21-Jul-2026
Scheduled
11:03
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B16
Baggage Claim
18
Tail Number
N491UA
Flight Time
Estimated
2h 31m
Event Timeline
Date
Event
Data Updated
21 Jul
07:50
02:50
01:50
Gate Adjustment
Arrival Gate changed from B22 to B16
21 Jul
07:50
02:50
01:50
Gate Adjustment
Arrival Gate changed from B48 to B22
21 Jul
06:44
01:44
00:44
Gate Adjustment
Arrival Gate changed from B20 to B48
21 Jul
06:38
01:38
00:38
Gate Adjustment
Arrival Gate changed from B48 to B22
21 Jul
06:38
01:38
00:38
Gate Adjustment
Arrival Gate changed from B22 to B20
21 Jul
04:45
23:45
22:45
Time Adjustment
Estimated Gate Departure changed from Jul-21-2026 8:40 AM to Jul-21-2026 9:40 AM
Estimated Gate Arrival changed from Jul-21-2026 10:26 AM to Jul-21-2026 11:11 AM
21 Jul
04:45
23:45
22:45
Gate Adjustment
Arrival Gate changed from B17 to B48
21 Jul
04:17
23:17
22:17
Time Adjustment
Scheduled Runway Departure changed from Jul-21-2026 8:45 AM to Jul-21-2026 9:45 AM
Scheduled Runway Arrival changed from Jul-21-2026 10:18 AM to Jul-21-2026 11:03 AM
20 Jul
22:14
17:14
16:14
Equipment Adjustment
Tail Number changed from N451UA to N491UA
20 Jul
20:39
15:39
14:39
Equipment Adjustment
Tail Number changed from N457UA to N451UA
20 Jul
19:20
14:20
13:20
Gate Adjustment
Arrival Gate changed from B37 to B17
20 Jul
16:32
11:32
10:32
Time Adjustment
Estimated Gate Departure changed to Jul-21-2026 8:40 AM
Estimated Gate Arrival changed to Jul-21-2026 10:26 AM
Arrival Gate changed to B37
Baggage changed to 18
Tail Number changed to N457UA
Actual Equipment changed from 32S to 320
20 Jul
13:46
08:46
07:46
Time Adjustment
Scheduled Runway Departure changed from Jul-21-2026 8:49 AM to Jul-21-2026 8:45 AM
Scheduled Runway Arrival changed from Jul-21-2026 9:49 AM to Jul-21-2026 10:18 AM
20 Jul
13:41
08:41
07:41
Time Adjustment
Scheduled Runway Departure changed to Jul-21-2026 8:49 AM
Scheduled Runway Arrival changed to Jul-21-2026 9:49 AM
Actual Equipment changed to 32S
18 Jul
18:49
13:49
12:49
Record Created
18 Jul
18:49
13:49
12:49
Time Adjustment
Scheduled Gate Departure changed to Jul-21-2026 8:40 AM
Scheduled Gate Arrival changed to Jul-21-2026 10:26 AM
Scheduled Equipment changed to 320