(UA) United Airlines 4308 Flight Details
Delayed by 1h 15m | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
20-Dec-2025
Scheduled
12:55
EST
Estimated
14:10
EST
Total Departure Delay: 1 h 15 mins
Flight Runway Times
20-Dec-2025
Scheduled
14:30
EST
Estimated
14:30
EST
Runway Delay: -
Terminal
-
Gate
A1C
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 53m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
20-Dec-2025
Scheduled
14:48
EST
Estimated
16:03
EST
Total Arrival Delay: 1 h 15 mins
Flight Runway Times
20-Dec-2025
Scheduled
16:00
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
-
Tail Number
N13124
Flight Time
Estimated
1h 53m
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 Dec
15:08
10:08
10:08
Time Adjustment
Scheduled Runway Departure changed from Dec-20-2025 1:15 PM to Dec-20-2025 2:30 PM
Estimated Runway Departure changed to Dec-20-2025 2:30 PM
Scheduled Runway Arrival changed from Dec-20-2025 2:45 PM to Dec-20-2025 4:00 PM
20 Dec
15:08
10:08
10:08
Time Adjustment
Estimated Gate Departure changed from Dec-20-2025 12:55 PM to Dec-20-2025 2:10 PM
Estimated Gate Arrival changed from Dec-20-2025 2:48 PM to Dec-20-2025 4:03 PM
20 Dec
14:19
09:19
09:19
Gate Adjustment
Arrival Gate changed to 11
20 Dec
06:07
01:07
01:07
Equipment Adjustment
Tail Number changed from N11193 to N13124
19 Dec
18:08
13:08
13:08
Time Adjustment
Scheduled Runway Arrival changed from Dec-20-2025 2:21 PM to Dec-20-2025 2:45 PM
19 Dec
17:56
12:56
12:56
Time Adjustment
Scheduled Runway Departure changed to Dec-20-2025 1:15 PM
Scheduled Runway Arrival changed to Dec-20-2025 2:21 PM
19 Dec
17:19
12:19
12:19
Gate Adjustment
Departure Gate changed to A1C
19 Dec
00:13
19:13
19:13
Time Adjustment
Estimated Gate Departure changed to Dec-20-2025 12:55 PM
Estimated Gate Arrival changed to Dec-20-2025 2:48 PM
Tail Number changed to N11193
Actual Equipment changed to E45
17 Dec
18:46
13:46
13:46
Record Created
17 Dec
18:46
13:46
13:46
Time Adjustment
Scheduled Gate Departure changed to Dec-20-2025 12:55 PM
Scheduled Gate Arrival changed to Dec-20-2025 2:48 PM
Scheduled Equipment changed to ERJ