(UA) United Airlines 4308 Flight Details
Delayed by 5h 13m | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
29-Dec-2025
Scheduled
12:55
EST
Estimated
18:08
EST
Total Departure Delay: 5 h 13 mins
Flight Runway Times
29-Dec-2025
Scheduled
13:15
EST
Estimated
18:47
EST
Runway Delay: 5 h 32 mins
Terminal
-
Gate
A4E
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 53m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
29-Dec-2025
Scheduled
14:48
EST
Estimated
20:01
EST
Total Arrival Delay: 5 h 13 mins
Flight Runway Times
29-Dec-2025
Scheduled
14:45
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
-
Tail Number
N14198
Flight Time
Estimated
1h 53m
Flight Notes
Operated by CommuteAir on behalf of United Airlines
Also marketed as (AC) Air Canada 4257, (ET) Ethiopian Airlines 1378
Event Timeline
Date
Event
Data Updated
29 Dec
22:10
17:10
17:10
Time Adjustment
Estimated Runway Departure changed from Dec-29-2025 6:28 PM to Dec-29-2025 6:47 PM
29 Dec
21:32
16:32
16:32
Time Adjustment
Estimated Runway Departure changed from Dec-29-2025 6:06 PM to Dec-29-2025 6:28 PM
29 Dec
21:32
16:32
16:32
Time Adjustment
Estimated Gate Departure changed from Dec-29-2025 5:46 PM to Dec-29-2025 6:08 PM
Estimated Gate Arrival changed from Dec-29-2025 7:39 PM to Dec-29-2025 8:01 PM
29 Dec
20:37
15:37
15:37
Time Adjustment
Estimated Gate Departure changed from Dec-29-2025 4:04 PM to Dec-29-2025 5:46 PM
Estimated Gate Arrival changed from Dec-29-2025 5:57 PM to Dec-29-2025 7:39 PM
29 Dec
20:33
15:33
15:33
Time Adjustment
Estimated Runway Departure changed to Dec-29-2025 6:06 PM
29 Dec
18:31
13:31
13:31
Gate Adjustment
Departure Gate changed from A2E to A4E
29 Dec
14:55
09:55
09:55
Equipment Adjustment
Tail Number changed from N17146 to N14198
29 Dec
12:25
07:25
07:25
Gate Adjustment
Arrival Gate changed to 11
29 Dec
05:01
00:01
00:01
Equipment Adjustment
Tail Number changed from N13202 to N17146
29 Dec
03:53
22:53
22:53
Time Adjustment
Estimated Gate Departure changed from Dec-29-2025 12:55 PM to Dec-29-2025 4:04 PM
Estimated Gate Arrival changed from Dec-29-2025 2:48 PM to Dec-29-2025 5:57 PM
29 Dec
00:55
19:55
19:55
Equipment Adjustment
Tail Number changed from N12163 to N13202
28 Dec
22:31
17:31
17:31
Equipment Adjustment
Tail Number changed from N21129 to N12163
28 Dec
20:43
15:43
15:43
Equipment Adjustment
Tail Number changed from N14143 to N21129
28 Dec
18:02
13:02
13:02
Time Adjustment
Scheduled Runway Departure changed from Dec-29-2025 1:16 PM to Dec-29-2025 1:15 PM
Scheduled Runway Arrival changed from Dec-29-2025 2:19 PM to Dec-29-2025 2:45 PM
28 Dec
17:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Dec-29-2025 1:16 PM
Scheduled Runway Arrival changed to Dec-29-2025 2:19 PM
28 Dec
17:19
12:19
12:19
Gate Adjustment
Departure Gate changed to A2E
28 Dec
00:13
19:13
19:13
Equipment Adjustment
Tail Number changed from N11165 to N14143
27 Dec
19:25
14:25
14:25
Equipment Adjustment
Tail Number changed from N16147 to N11165
27 Dec
17:25
12:25
12:25
Time Adjustment
Estimated Gate Departure changed to Dec-29-2025 12:55 PM
Estimated Gate Arrival changed to Dec-29-2025 2:48 PM
Tail Number changed to N16147
Actual Equipment changed to E45
26 Dec
18:48
13:48
13:48
Record Created
26 Dec
18:48
13:48
13:48
Time Adjustment
Scheduled Gate Departure changed to Dec-29-2025 12:55 PM
Scheduled Gate Arrival changed to Dec-29-2025 2:48 PM
Scheduled Equipment changed to ERJ