(UA) United Airlines 4308 Flight Details
On time | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
13-Jan-2026
Scheduled
12:55
EST
Estimated
12:55
EST
Total Departure Delay: -
Flight Runway Times
13-Jan-2026
Scheduled
13:15
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
A5C
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 54m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
13-Jan-2026
Scheduled
14:49
EST
Estimated
14:49
EST
Total Arrival Delay: -
Flight Runway Times
13-Jan-2026
Scheduled
14:46
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
-
Tail Number
N21144
Flight Time
Estimated
1h 54m
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
13 Jan
03:19
22:19
22:19
Gate Adjustment
Arrival Gate changed to 11
12 Jan
18:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed from Jan-13-2026 1:14 PM to Jan-13-2026 1:15 PM
Scheduled Runway Arrival changed from Jan-13-2026 2:19 PM to Jan-13-2026 2:46 PM
12 Jan
17:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Jan-13-2026 1:14 PM
Scheduled Runway Arrival changed to Jan-13-2026 2:19 PM
12 Jan
16:43
11:43
11:43
Gate Adjustment
Departure Gate changed to A5C
12 Jan
02:07
21:07
21:07
Equipment Adjustment
Tail Number changed from N17196 to N21144
12 Jan
01:55
20:55
20:55
Time Adjustment
Estimated Gate Departure changed to Jan-13-2026 12:55 PM
Estimated Gate Arrival changed to Jan-13-2026 2:49 PM
Tail Number changed to N17196
Actual Equipment changed to E45
10 Jan
18:42
13:42
13:42
Record Created
10 Jan
18:42
13:42
13:42
Time Adjustment
Scheduled Gate Departure changed to Jan-13-2026 12:55 PM
Scheduled Gate Arrival changed to Jan-13-2026 2:49 PM
Scheduled Equipment changed to ERJ