(UA) United Airlines 4308 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
20-Mar-2026
Scheduled
12:55
EDT
Actual
12:48
EDT
Total Departure Delay: -
Flight Runway Times
20-Mar-2026
Scheduled
13:15
EDT
Actual
13:25
EDT
Runway Delay: 10 mins
Terminal
-
Gate
A6C
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 55m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
20-Mar-2026
Scheduled
14:50
EDT
Actual
14:35
EDT
Total Arrival Delay: -
Flight Runway Times
20-Mar-2026
Scheduled
14:47
EDT
Actual
14:32
EDT
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
3
Tail Number
N12163
Flight Time
Actual
1h 47m
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
20 Mar
18:39
14:39
14:39
Time Adjustment
Estimated Gate Arrival changed from Mar-20-2026 2:37 PM to Mar-20-2026 2:35 PM
Actual Gate Arrival changed to Mar-20-2026 2:35 PM
20 Mar
18:38
14:38
14:38
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:30 PM to Mar-20-2026 2:32 PM
Actual Runway Arrival changed from Mar-20-2026 2:30 PM to Mar-20-2026 2:32 PM
Estimated Gate Arrival changed from Mar-20-2026 2:53 PM to Mar-20-2026 2:37 PM
20 Mar
18:37
14:37
14:37
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:32 PM to Mar-20-2026 2:30 PM
Actual Runway Arrival changed from Mar-20-2026 2:32 PM to Mar-20-2026 2:30 PM
20 Mar
18:33
14:33
14:33
Status Landed
Estimated Runway Arrival changed from Mar-20-2026 2:50 PM to Mar-20-2026 2:32 PM
Actual Runway Arrival changed to Mar-20-2026 2:32 PM
Status changed from Active to Landed
20 Mar
17:27
13:27
13:27
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:26 PM to Mar-20-2026 2:50 PM
Estimated Gate Arrival changed from Mar-20-2026 2:50 PM to Mar-20-2026 2:53 PM
20 Mar
17:26
13:26
13:26
Time Adjustment
Actual Runway Departure changed to Mar-20-2026 1:25 PM
20 Mar
17:26
13:26
13:26
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:50 PM to Mar-20-2026 2:26 PM
20 Mar
17:25
13:25
13:25
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:35 PM to Mar-20-2026 2:50 PM
20 Mar
17:25
13:25
13:25
Time Adjustment
Estimated Runway Departure changed from Mar-20-2026 1:15 PM to Mar-20-2026 1:25 PM
20 Mar
17:10
13:10
13:10
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:20 PM to Mar-20-2026 2:35 PM
20 Mar
16:56
12:56
12:56
Status Active
Estimated Gate Departure changed from Mar-20-2026 12:55 PM to Mar-20-2026 12:48 PM
Actual Gate Departure changed to Mar-20-2026 12:48 PM
Estimated Gate Arrival changed from Mar-20-2026 2:23 PM to Mar-20-2026 2:50 PM
Status changed from Scheduled to Active
20 Mar
16:52
12:52
12:52
Time Adjustment
Estimated Runway Arrival changed from Mar-20-2026 2:47 PM to Mar-20-2026 2:20 PM
Estimated Gate Arrival changed from Mar-20-2026 2:50 PM to Mar-20-2026 2:23 PM
20 Mar
16:51
12:51
12:51
Time Adjustment
Estimated Runway Arrival changed to Mar-20-2026 2:47 PM
20 Mar
15:55
11:55
11:55
Time Adjustment
Estimated Runway Departure changed to Mar-20-2026 1:15 PM
20 Mar
08:32
04:32
04:32
Gate Adjustment
Arrival Gate changed to 11
Baggage changed to 3
20 Mar
05:50
01:50
01:50
Equipment Adjustment
Tail Number changed from N21129 to N12163
19 Mar
17:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed from Mar-20-2026 1:16 PM to Mar-20-2026 1:15 PM
Scheduled Runway Arrival changed from Mar-20-2026 2:18 PM to Mar-20-2026 2:47 PM
19 Mar
16:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Mar-20-2026 1:16 PM
Scheduled Runway Arrival changed to Mar-20-2026 2:18 PM
19 Mar
15:44
11:44
11:44
Gate Adjustment
Departure Gate changed to A6C
19 Mar
05:50
01:50
01:50
Time Adjustment
Estimated Gate Departure changed to Mar-20-2026 12:55 PM
Estimated Gate Arrival changed to Mar-20-2026 2:50 PM
Tail Number changed to N21129
Actual Equipment changed to E45
17 Mar
18:48
14:48
14:48
Record Created
17 Mar
18:48
14:48
14:48
Time Adjustment
Scheduled Gate Departure changed to Mar-20-2026 12:55 PM
Scheduled Gate Arrival changed to Mar-20-2026 2:50 PM
Scheduled Equipment changed to ERJ