(UA) United Airlines 4308 Flight Details
On time | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
15-Dec-2025
Scheduled
12:55
EST
Estimated
12:55
EST
Total Departure Delay: -
Flight Runway Times
15-Dec-2025
Scheduled
13:15
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
A4A
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 48m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
15-Dec-2025
Scheduled
14:43
EST
Estimated
14:43
EST
Total Arrival Delay: -
Flight Runway Times
15-Dec-2025
Scheduled
14:40
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
-
Tail Number
N14143
Flight Time
Estimated
1h 48m
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
15 Dec
11:01
06:01
06:01
Gate Adjustment
Departure Gate changed from A5C to A4A
15 Dec
10:43
05:43
05:43
Gate Adjustment
Arrival Gate changed to 11
15 Dec
02:19
21:19
21:19
Gate Adjustment
Departure Gate changed from A6A to A5C
15 Dec
02:19
21:19
21:19
Gate Adjustment
Departure Gate changed from A4B to A6A
15 Dec
02:17
21:17
21:17
Gate Adjustment
Departure Gate changed from A3C to A4B
15 Dec
02:13
21:13
21:13
Gate Adjustment
Departure Gate changed from A2E to A3C
14 Dec
20:14
15:14
15:14
Gate Adjustment
Departure Gate changed from A1C to A2E
14 Dec
18:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed from Dec-15-2025 1:14 PM to Dec-15-2025 1:15 PM
Scheduled Runway Arrival changed from Dec-15-2025 2:24 PM to Dec-15-2025 2:40 PM
14 Dec
17:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Dec-15-2025 1:14 PM
Scheduled Runway Arrival changed to Dec-15-2025 2:24 PM
14 Dec
16:37
11:37
11:37
Gate Adjustment
Departure Gate changed to A1C
14 Dec
09:49
04:49
04:49
Equipment Adjustment
Tail Number changed from N11150 to N14143
14 Dec
06:49
01:49
01:49
Time Adjustment
Estimated Gate Departure changed to Dec-15-2025 12:55 PM
Estimated Gate Arrival changed to Dec-15-2025 2:43 PM
Tail Number changed to N11150
Actual Equipment changed to E45
12 Dec
18:48
13:48
13:48
Record Created
12 Dec
18:48
13:48
13:48
Time Adjustment
Scheduled Gate Departure changed to Dec-15-2025 12:55 PM
Scheduled Gate Arrival changed to Dec-15-2025 2:43 PM
Scheduled Equipment changed to ERJ