(UA) United Airlines 4308 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
21-Mar-2026
Scheduled
12:55
EDT
Actual
12:48
EDT
Total Departure Delay: -
Flight Runway Times
21-Mar-2026
Scheduled
13:15
EDT
Actual
13:12
EDT
Runway Delay: -
Terminal
-
Gate
A5C
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 55m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
21-Mar-2026
Scheduled
14:50
EDT
Actual
14:33
EDT
Total Arrival Delay: -
Flight Runway Times
21-Mar-2026
Scheduled
14:47
EDT
Actual
14:16
EDT
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
3
Tail Number
N14174
Flight Time
Actual
1h 45m
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
21 Mar
18:46
14:46
14:46
Time Adjustment
Estimated Gate Arrival changed from Mar-21-2026 2:36 PM to Mar-21-2026 2:33 PM
Actual Gate Arrival changed to Mar-21-2026 2:33 PM
21 Mar
18:26
14:26
14:26
Time Adjustment
Estimated Runway Arrival changed from Mar-21-2026 2:15 PM to Mar-21-2026 2:16 PM
Actual Runway Arrival changed from Mar-21-2026 2:15 PM to Mar-21-2026 2:16 PM
21 Mar
18:15
14:15
14:15
Status Landed
Estimated Runway Arrival changed from Mar-21-2026 2:33 PM to Mar-21-2026 2:15 PM
Actual Runway Arrival changed to Mar-21-2026 2:15 PM
Status changed from Active to Landed
21 Mar
17:15
13:15
13:15
Time Adjustment
Estimated Runway Arrival changed from Mar-21-2026 2:19 PM to Mar-21-2026 2:33 PM
Estimated Gate Arrival changed from Mar-21-2026 2:50 PM to Mar-21-2026 2:36 PM
21 Mar
17:14
13:14
13:14
Time Adjustment
Estimated Runway Arrival changed from Mar-21-2026 2:14 PM to Mar-21-2026 2:19 PM
21 Mar
17:13
13:13
13:13
Time Adjustment
Estimated Runway Departure changed from Mar-21-2026 1:15 PM to Mar-21-2026 1:12 PM
Actual Runway Departure changed to Mar-21-2026 1:12 PM
Estimated Runway Arrival changed from Mar-21-2026 2:33 PM to Mar-21-2026 2:14 PM
21 Mar
17:08
13:08
13:08
Time Adjustment
Estimated Runway Arrival changed from Mar-21-2026 2:18 PM to Mar-21-2026 2:33 PM
21 Mar
16:56
12:56
12:56
Status Active
Estimated Gate Departure changed from Mar-21-2026 12:55 PM to Mar-21-2026 12:48 PM
Actual Gate Departure changed to Mar-21-2026 12:48 PM
Status changed from Scheduled to Active
21 Mar
16:51
12:51
12:51
Time Adjustment
Estimated Runway Arrival changed from Mar-21-2026 2:47 PM to Mar-21-2026 2:18 PM
21 Mar
14:20
10:20
10:20
Gate Adjustment
Departure Gate changed from A5B to A5C
21 Mar
14:19
10:19
10:19
Time Adjustment
Estimated Runway Departure changed to Mar-21-2026 1:15 PM
Estimated Runway Arrival changed to Mar-21-2026 2:47 PM
21 Mar
08:38
04:38
04:38
Gate Adjustment
Arrival Gate changed to 11
Baggage changed to 3
21 Mar
08:02
04:02
04:02
Gate Adjustment
Departure Gate changed from A3A to A5B
21 Mar
05:14
01:14
01:14
Equipment Adjustment
Tail Number changed from N16151 to N14174
21 Mar
01:56
21:56
21:56
Gate Adjustment
Departure Gate changed from A5 to A5A
21 Mar
01:56
21:56
21:56
Gate Adjustment
Departure Gate changed from A5A to A3A
21 Mar
00:14
20:14
20:14
Gate Adjustment
Departure Gate changed from 5 to A5
Tail Number changed from N14174 to N16151
20 Mar
23:24
19:24
19:24
Gate Adjustment
Departure Gate changed from A5 to 5
20 Mar
22:51
18:51
18:51
Gate Adjustment
Departure Gate changed from A1C to A5
20 Mar
22:51
18:51
18:51
Gate Adjustment
Departure Gate changed from C22 to A1C
20 Mar
22:51
18:51
18:51
Gate Adjustment
Departure Gate changed from A6C to C22
20 Mar
17:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed from Mar-21-2026 1:17 PM to Mar-21-2026 1:15 PM
Scheduled Runway Arrival changed from Mar-21-2026 2:19 PM to Mar-21-2026 2:47 PM
20 Mar
16:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Mar-21-2026 1:17 PM
Scheduled Runway Arrival changed to Mar-21-2026 2:19 PM
20 Mar
15:56
11:56
11:56
Gate Adjustment
Departure Gate changed to A6C
19 Mar
16:21
12:21
12:21
Time Adjustment
Estimated Gate Departure changed to Mar-21-2026 12:55 PM
Estimated Gate Arrival changed to Mar-21-2026 2:50 PM
Tail Number changed to N14174
Actual Equipment changed to E45
18 Mar
18:44
14:44
14:44
Record Created
18 Mar
18:44
14:44
14:44
Time Adjustment
Scheduled Gate Departure changed to Mar-21-2026 12:55 PM
Scheduled Gate Arrival changed to Mar-21-2026 2:50 PM
Scheduled Equipment changed to ERJ