(UA) United Airlines 4308 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
12-Dec-2025
Scheduled
12:55
EST
Actual
12:52
EST
Total Departure Delay: -
Flight Runway Times
12-Dec-2025
Scheduled
13:15
EST
Actual
13:25
EST
Runway Delay: 10 mins
Terminal
-
Gate
A3A
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 48m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
12-Dec-2025
Scheduled
14:43
EST
Actual
14:47
EST
Total Arrival Delay: 4 mins
Flight Runway Times
12-Dec-2025
Scheduled
14:40
EST
Actual
14:40
EST
Runway Delay: -
Terminal
-
Gate
7
Baggage Claim
3
Tail Number
N12163
Flight Time
Actual
1h 55m
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
12 Dec
19:51
14:51
14:51
Time Adjustment
Estimated Gate Arrival changed from Dec-12-2025 2:44 PM to Dec-12-2025 2:47 PM
Actual Gate Arrival changed to Dec-12-2025 2:47 PM
12 Dec
19:43
14:43
14:43
Time Adjustment
Estimated Runway Arrival changed from Dec-12-2025 2:39 PM to Dec-12-2025 2:40 PM
Actual Runway Arrival changed from Dec-12-2025 2:39 PM to Dec-12-2025 2:40 PM
12 Dec
19:41
14:41
14:41
Status Landed
Estimated Runway Arrival changed from Dec-12-2025 2:41 PM to Dec-12-2025 2:39 PM
Actual Runway Arrival changed to Dec-12-2025 2:39 PM
Status changed from Active to Landed
12 Dec
18:26
13:26
13:26
Time Adjustment
Estimated Runway Departure changed from Dec-12-2025 1:31 PM to Dec-12-2025 1:25 PM
Actual Runway Departure changed to Dec-12-2025 1:25 PM
12 Dec
18:25
13:25
13:25
Time Adjustment
Estimated Runway Departure changed from Dec-12-2025 1:15 PM to Dec-12-2025 1:31 PM
Estimated Gate Arrival changed from Dec-12-2025 2:43 PM to Dec-12-2025 2:44 PM
Arrival Gate changed from 11 to 7
12 Dec
18:16
13:16
13:16
Time Adjustment
Estimated Runway Arrival changed from Dec-12-2025 2:26 PM to Dec-12-2025 2:41 PM
12 Dec
17:55
12:55
12:55
Status Active
Estimated Gate Departure changed from Dec-12-2025 12:55 PM to Dec-12-2025 12:52 PM
Actual Gate Departure changed to Dec-12-2025 12:52 PM
Status changed from Scheduled to Active
12 Dec
17:54
12:54
12:54
Time Adjustment
Estimated Runway Arrival changed to Dec-12-2025 2:26 PM
12 Dec
16:33
11:33
11:33
Time Adjustment
Estimated Runway Departure changed to Dec-12-2025 1:15 PM
12 Dec
14:13
09:13
09:13
Gate Adjustment
Arrival Gate changed to 11
Baggage changed to 3
11 Dec
20:25
15:25
15:25
Gate Adjustment
Departure Gate changed from A1C to A3A
11 Dec
20:25
15:25
15:25
Equipment Adjustment
Tail Number changed from N11164 to N12163
11 Dec
18:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed from Dec-12-2025 1:11 PM to Dec-12-2025 1:15 PM
Scheduled Runway Arrival changed from Dec-12-2025 2:17 PM to Dec-12-2025 2:40 PM
11 Dec
17:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Dec-12-2025 1:11 PM
Scheduled Runway Arrival changed to Dec-12-2025 2:17 PM
11 Dec
14:55
09:55
09:55
Equipment Adjustment
Tail Number changed from N12195 to N11164
11 Dec
06:49
01:49
01:49
Gate Adjustment
Departure Gate changed from A4A to A1C
11 Dec
02:19
21:19
21:19
Gate Adjustment
Departure Gate changed to A4A
10 Dec
23:31
18:31
18:31
Equipment Adjustment
Tail Number changed from N12142 to N12195
10 Dec
18:01
13:01
13:01
Equipment Adjustment
Tail Number changed from N21154 to N12142
10 Dec
18:01
13:01
13:01
Time Adjustment
Estimated Gate Departure changed to Dec-12-2025 12:55 PM
Estimated Gate Arrival changed to Dec-12-2025 2:43 PM
Tail Number changed to N21154
Actual Equipment changed to E45
9 Dec
18:48
13:48
13:48
Record Created
9 Dec
18:48
13:48
13:48
Time Adjustment
Scheduled Gate Departure changed to Dec-12-2025 12:55 PM
Scheduled Gate Arrival changed to Dec-12-2025 2:43 PM
Scheduled Equipment changed to ERJ