(UA) United Airlines 4308 Flight Details
On time | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
11-Mar-2026
Scheduled
12:55
EDT
Estimated
12:55
EDT
Total Departure Delay: -
Flight Runway Times
11-Mar-2026
Scheduled
13:15
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A3A
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 55m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
11-Mar-2026
Scheduled
14:50
EDT
Estimated
14:50
EDT
Total Arrival Delay: -
Flight Runway Times
11-Mar-2026
Scheduled
14:47
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N12142
Flight Time
Estimated
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
11 Mar
06:14
02:14
02:14
Gate Adjustment
Departure Gate changed from A1 to A3A
11 Mar
05:50
01:50
01:50
Gate Adjustment
Departure Gate changed from 1 to A1
Tail Number changed from N16178 to N12142
10 Mar
20:48
16:48
16:48
Gate Adjustment
Departure Gate changed from A1 to 1
10 Mar
20:44
16:44
16:44
Gate Adjustment
Departure Gate changed from A6B to A1
10 Mar
20:39
16:39
16:39
Gate Adjustment
Departure Gate changed from A4B to A6B
10 Mar
17:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed from Mar-11-2026 1:18 PM to Mar-11-2026 1:15 PM
Scheduled Runway Arrival changed from Mar-11-2026 2:20 PM to Mar-11-2026 2:47 PM
10 Mar
16:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Mar-11-2026 1:18 PM
Scheduled Runway Arrival changed to Mar-11-2026 2:20 PM
10 Mar
15:56
11:56
11:56
Gate Adjustment
Departure Gate changed to A4B
10 Mar
05:50
01:50
01:50
Time Adjustment
Estimated Gate Departure changed to Mar-11-2026 12:55 PM
Estimated Gate Arrival changed to Mar-11-2026 2:50 PM
Tail Number changed to N16178
Actual Equipment changed to E45
8 Mar
18:45
14:45
14:45
Record Created
8 Mar
18:45
14:45
14:45
Time Adjustment
Scheduled Gate Departure changed to Mar-11-2026 12:55 PM
Scheduled Gate Arrival changed to Mar-11-2026 2:50 PM
Scheduled Equipment changed to ERJ