background

(UA) United Airlines 4308 Flight Details

On time | Scheduled

Departure

IAD

Washington Dulles International Airport, VA, US

Flight Gate Times

17-Mar-2026

Scheduled

12:55

 EDT

Estimated

12:55

 EDT

Total Departure Delay: -

Flight Runway Times

17-Mar-2026

Scheduled

13:15

 EDT

Actual

--

Runway Delay: -

Terminal

-

Gate

A6C

Craft Type

Embraer EMB-145XR

E45

Flight Time

Scheduled

1h 55m

Arrival

TYS

Knoxville McGhee Tyson Airport, TN, US

Flight Gate Times

17-Mar-2026

Scheduled

14:50

 EDT

Estimated

14:50

 EDT

Total Arrival Delay: -

Flight Runway Times

17-Mar-2026

Scheduled

14:47

 EDT

Actual

--

Runway Delay: -

Terminal

-

Gate

11

Baggage Claim

3

Tail Number

N16147

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

Time

Date

UTC

Event

Data Updated

17 Mar

08:32

Arrival Gate changed to 11

Baggage changed to 3

17 Mar

05:02

Departure Gate changed from A4E to A6C

17 Mar

04:44

Tail Number changed from N16151 to N16147

17 Mar

04:39

Departure Gate changed from A4F to A4E

17 Mar

04:39

Tail Number changed from N23139 to N16151

17 Mar

01:45

Departure Gate changed from A5 to A4F

16 Mar

19:51

Departure Gate changed from 5 to A5

Tail Number changed from N12136 to N23139

16 Mar

17:01

Scheduled Runway Departure changed from Mar-17-2026 1:18 PM to Mar-17-2026 1:15 PM

Scheduled Runway Arrival changed from Mar-17-2026 2:23 PM to Mar-17-2026 2:47 PM

16 Mar

16:56

Scheduled Runway Departure changed to Mar-17-2026 1:18 PM

Scheduled Runway Arrival changed to Mar-17-2026 2:23 PM

16 Mar

04:14

Departure Gate changed from A5 to 5

15 Mar

21:27

Tail Number changed from N23139 to N12136

15 Mar

21:26

Tail Number changed from N17169 to N23139

15 Mar

21:20

Tail Number changed from N13161 to N17169

15 Mar

21:20

Departure Gate changed to A5

15 Mar

20:26

Tail Number changed from N12163 to N13161

15 Mar

20:21

Tail Number changed from N16149 to N12163

15 Mar

05:50

Estimated Gate Departure changed to Mar-17-2026 12:55 PM

Estimated Gate Arrival changed to Mar-17-2026 2:50 PM

Tail Number changed to N16149

Actual Equipment changed to E45

14 Mar

18:44

14 Mar

18:44

Scheduled Gate Departure changed to Mar-17-2026 12:55 PM

Scheduled Gate Arrival changed to Mar-17-2026 2:50 PM

Scheduled Equipment changed to ERJ