(UA) United Airlines 4308 Flight Details
Delayed by 3h 49m | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
27-Dec-2025
Scheduled
12:55
EST
Estimated
16:44
EST
Total Departure Delay: 3 h 49 mins
Flight Runway Times
27-Dec-2025
Scheduled
13:15
EST
Estimated
13:15
EST
Runway Delay: -
Terminal
-
Gate
A2F
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 53m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
27-Dec-2025
Scheduled
14:48
EST
Estimated
18:37
EST
Total Arrival Delay: 3 h 49 mins
Flight Runway Times
27-Dec-2025
Scheduled
14:45
EST
Estimated
14:45
EST
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
3
Tail Number
N11199
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
27 Dec
15:29
10:29
10:29
Time Adjustment
Estimated Gate Departure changed from Dec-27-2025 12:55 PM to Dec-27-2025 4:44 PM
Estimated Gate Arrival changed from Dec-27-2025 2:48 PM to Dec-27-2025 6:37 PM
27 Dec
15:13
10:13
10:13
Gate Adjustment
Departure Gate changed from A4C to A2F
27 Dec
15:07
10:07
10:07
Equipment Adjustment
Tail Number changed from N14125 to N11199
27 Dec
15:01
10:01
10:01
Gate Adjustment
Departure Gate changed from A2F to A4C
27 Dec
15:01
10:01
10:01
Gate Adjustment
Arrival Gate changed to 11
Baggage changed to 3
27 Dec
14:05
09:05
09:05
Time Adjustment
Estimated Runway Departure changed to Dec-27-2025 1:15 PM
27 Dec
14:05
09:05
09:05
Time Adjustment
Estimated Runway Arrival changed to Dec-27-2025 2:45 PM
27 Dec
14:05
09:05
09:05
Gate Adjustment
Departure Gate changed from A4F to A2F
27 Dec
14:05
09:05
09:05
Time Adjustment
Estimated Gate Departure changed from Dec-27-2025 12:55 PM to Dec-27-2025 12:55 PM
Estimated Gate Arrival changed from Dec-27-2025 2:48 PM to Dec-27-2025 2:48 PM
27 Dec
13:43
08:43
08:43
Equipment Adjustment
Tail Number changed from N17169 to N14125
27 Dec
13:43
08:43
08:43
Equipment Adjustment
Tail Number changed from N12135 to N17169
27 Dec
13:25
08:25
08:25
Gate Adjustment
Departure Gate changed from A3B to A4F
27 Dec
13:19
08:19
08:19
Gate Adjustment
Departure Gate changed from A3B to A5A
27 Dec
13:19
08:19
08:19
Gate Adjustment
Departure Gate changed from A5A to A3B
27 Dec
12:49
07:49
07:49
Gate Adjustment
Departure Gate changed from A1C to A3B
27 Dec
11:43
06:43
06:43
Gate Adjustment
Departure Gate changed from A4A to A1C
27 Dec
11:37
06:37
06:37
Gate Adjustment
Departure Gate changed from A6B to A4A
27 Dec
10:07
05:07
05:07
Gate Adjustment
Departure Gate changed from A4F to A6B
27 Dec
10:07
05:07
05:07
Gate Adjustment
Departure Gate changed from A1C to A4F
27 Dec
08:19
03:19
03:19
Gate Adjustment
Departure Gate changed from D14 to A1C
27 Dec
06:49
01:49
01:49
Gate Adjustment
Departure Gate changed from 14 to D14
Tail Number changed from N14148 to N12135
27 Dec
05:58
00:58
00:58
Gate Adjustment
Departure Gate changed from D14 to 14
27 Dec
05:43
00:43
00:43
Gate Adjustment
Departure Gate changed from A6B to D14
26 Dec
18:02
13:02
13:02
Time Adjustment
Scheduled Runway Departure changed from Dec-27-2025 1:16 PM to Dec-27-2025 1:15 PM
Scheduled Runway Arrival changed from Dec-27-2025 2:19 PM to Dec-27-2025 2:45 PM
26 Dec
17:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Dec-27-2025 1:16 PM
Scheduled Runway Arrival changed to Dec-27-2025 2:19 PM
26 Dec
17:01
12:01
12:01
Gate Adjustment
Departure Gate changed to A6B
26 Dec
06:49
01:49
01:49
Time Adjustment
Estimated Gate Departure changed to Dec-27-2025 12:55 PM
Estimated Gate Arrival changed to Dec-27-2025 2:48 PM
Tail Number changed to N14148
Actual Equipment changed to E45
24 Dec
18:47
13:47
13:47
Record Created
24 Dec
18:47
13:47
13:47
Time Adjustment
Scheduled Gate Departure changed to Dec-27-2025 12:55 PM
Scheduled Gate Arrival changed to Dec-27-2025 2:48 PM
Scheduled Equipment changed to ERJ