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(UA) United Airlines 4308 Flight Details

On time | Scheduled

Departure

IAD

Washington Dulles International Airport, VA, US

Flight Gate Times

16-Dec-2025

Scheduled

12:55

 EST

Estimated

12:55

 EST

Total Departure Delay: -

Flight Runway Times

16-Dec-2025

Scheduled

13:15

 EST

Actual

--

Runway Delay: -

Terminal

-

Gate

A4B

Craft Type

Embraer EMB-145XR

E45

Flight Time

Scheduled

1h 48m

Arrival

TYS

Knoxville McGhee Tyson Airport, TN, US

Flight Gate Times

16-Dec-2025

Scheduled

14:43

 EST

Estimated

14:43

 EST

Total Arrival Delay: -

Flight Runway Times

16-Dec-2025

Scheduled

14:40

 EST

Actual

--

Runway Delay: -

Terminal

-

Gate

-

Baggage Claim

-

Tail Number

N21129

Flight Time

Estimated

1h 48m

Flight Notes

Operated by CommuteAir on behalf of United Airlines

Also marketed as (AC) Air Canada 4257, (ET) Ethiopian Airlines 1378

Event Timeline

Time

Date

UTC

Event

Data Updated

15 Dec

21:55

Tail Number changed from N11150 to N21129

15 Dec

21:25

Departure Gate changed from A5A to A4B

15 Dec

18:01

Scheduled Runway Departure changed from Dec-16-2025 1:14 PM to Dec-16-2025 1:15 PM

Scheduled Runway Arrival changed from Dec-16-2025 2:18 PM to Dec-16-2025 2:40 PM

15 Dec

17:56

Scheduled Runway Departure changed to Dec-16-2025 1:14 PM

Scheduled Runway Arrival changed to Dec-16-2025 2:18 PM

15 Dec

02:13

Departure Gate changed to A5A

14 Dec

22:07

Estimated Gate Departure changed to Dec-16-2025 12:55 PM

Estimated Gate Arrival changed to Dec-16-2025 2:43 PM

Tail Number changed to N11150

Actual Equipment changed to E45

13 Dec

18:44

13 Dec

18:44

Scheduled Gate Departure changed to Dec-16-2025 12:55 PM

Scheduled Gate Arrival changed to Dec-16-2025 2:43 PM

Scheduled Equipment changed to ERJ