
(UA) United Airlines 4308 Flight Details
On time | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
10-May-2026
Scheduled
12:45
EDT
Estimated
12:45
EDT
Total Departure Delay: -
Flight Runway Times
10-May-2026
Scheduled
13:05
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A5
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 49m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
10-May-2026
Scheduled
14:34
EDT
Estimated
14:34
EDT
Total Arrival Delay: -
Flight Runway Times
10-May-2026
Scheduled
14:31
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N14174
Flight Time
Estimated
1h 49m
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
10 May
05:53
01:53
01:53
Gate Adjustment
Departure Gate changed from A5C to A5
10 May
05:47
01:47
01:47
Equipment Adjustment
Tail Number changed from N14188 to N14174
9 May
16:51
12:51
12:51
Time Adjustment
Scheduled Runway Departure changed from May-10-2026 12:52 PM to May-10-2026 1:05 PM
Scheduled Runway Arrival changed from May-10-2026 1:57 PM to May-10-2026 2:31 PM
9 May
16:46
12:46
12:46
Time Adjustment
Scheduled Runway Departure changed to May-10-2026 12:52 PM
Scheduled Runway Arrival changed to May-10-2026 1:57 PM
9 May
15:59
11:59
11:59
Gate Adjustment
Departure Gate changed to A5C
9 May
01:53
21:53
21:53
Time Adjustment
Estimated Gate Departure changed to May-10-2026 12:45 PM
Estimated Gate Arrival changed to May-10-2026 2:34 PM
Tail Number changed to N14188
Actual Equipment changed to E45
7 May
18:47
14:47
14:47
Record Created
7 May
18:47
14:47
14:47
Time Adjustment
Scheduled Gate Departure changed to May-10-2026 12:45 PM
Scheduled Gate Arrival changed to May-10-2026 2:34 PM
Scheduled Equipment changed to ERJ