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(UA) United Airlines 4257 Flight Details

On time | Arrived

Departure

IAD

Washington Dulles International Airport, VA, US

Flight Gate Times

24-Feb-2026

Scheduled

09:00

 EST

Actual

09:01

 EST

Total Departure Delay: 1 min

Flight Runway Times

24-Feb-2026

Scheduled

09:21

 EST

Actual

09:17

 EST

Runway Delay: -

Terminal

-

Gate

A4C

Craft Type

Embraer EMB-145XR

E45

Flight Time

Scheduled

1h 49m

Arrival

TYS

Knoxville McGhee Tyson Airport, TN, US

Flight Gate Times

24-Feb-2026

Scheduled

10:49

 EST

Actual

10:32

 EST

Total Arrival Delay: -

Flight Runway Times

24-Feb-2026

Scheduled

10:45

 EST

Actual

10:25

 EST

Runway Delay: -

Terminal

-

Gate

11

Baggage Claim

3

Tail Number

N11192

Flight Time

Actual

1h 31m

Flight Notes

Operated by CommuteAir on behalf of United Airlines

Also marketed as (AC) Air Canada 4741, (AV) Avianca 2346, (CM) Copa Airlines 2237

Event Timeline

Time

Date

UTC

Event

Data Updated

24 Feb

15:34

Estimated Gate Arrival changed from Feb-24-2026 10:30 AM to Feb-24-2026 10:32 AM

Actual Gate Arrival changed to Feb-24-2026 10:32 AM

24 Feb

15:28

Estimated Gate Arrival changed from Feb-24-2026 10:34 AM to Feb-24-2026 10:30 AM

24 Feb

15:26

Estimated Runway Arrival changed from Feb-24-2026 10:30 AM to Feb-24-2026 10:25 AM

Actual Runway Arrival changed to Feb-24-2026 10:25 AM

Status changed from Active to Landed

24 Feb

14:22

Estimated Runway Departure changed from Feb-24-2026 9:16 AM to Feb-24-2026 9:17 AM

Actual Runway Departure changed from Feb-24-2026 9:16 AM to Feb-24-2026 9:17 AM

Estimated Gate Arrival changed from Feb-24-2026 11:09 AM to Feb-24-2026 10:34 AM

24 Feb

14:19

Estimated Runway Departure changed from Feb-24-2026 9:17 AM to Feb-24-2026 9:16 AM

Actual Runway Departure changed from Feb-24-2026 9:17 AM to Feb-24-2026 9:16 AM

24 Feb

14:18

Estimated Runway Arrival changed from Feb-24-2026 10:20 AM to Feb-24-2026 10:30 AM

24 Feb

14:17

Estimated Runway Departure changed from Feb-24-2026 9:41 AM to Feb-24-2026 9:17 AM

Actual Runway Departure changed to Feb-24-2026 9:17 AM

Estimated Runway Arrival changed from Feb-24-2026 10:45 AM to Feb-24-2026 10:20 AM

24 Feb

14:04

Estimated Gate Departure changed from Feb-24-2026 9:00 AM to Feb-24-2026 9:20 AM

Estimated Gate Arrival changed from Feb-24-2026 10:49 AM to Feb-24-2026 11:09 AM

Baggage changed to 3

24 Feb

14:04

Estimated Gate Departure changed from Feb-24-2026 9:20 AM to Feb-24-2026 9:01 AM

Actual Gate Departure changed to Feb-24-2026 9:01 AM

Status changed from Scheduled to Active

24 Feb

14:02

Estimated Runway Departure changed from Feb-24-2026 9:21 AM to Feb-24-2026 9:41 AM

24 Feb

13:52

Arrival Gate changed to 11

24 Feb

13:48

Estimated Runway Arrival changed to Feb-24-2026 10:45 AM

24 Feb

11:58

Estimated Runway Departure changed to Feb-24-2026 9:21 AM

24 Feb

07:09

Departure Gate changed from A5B to A4C

24 Feb

06:46

Tail Number changed from N17196 to N11192

23 Feb

17:34

Departure Gate changed from A6A to A5B

23 Feb

17:33

Departure Gate changed from A4C to A6A

23 Feb

14:06

Scheduled Runway Departure changed from Feb-24-2026 9:09 AM to Feb-24-2026 9:21 AM

Scheduled Runway Arrival changed from Feb-24-2026 10:10 AM to Feb-24-2026 10:45 AM

23 Feb

14:01

Scheduled Runway Departure changed to Feb-24-2026 9:09 AM

Scheduled Runway Arrival changed to Feb-24-2026 10:10 AM

23 Feb

06:52

Departure Gate changed from A5A to A4C

23 Feb

06:52

Estimated Gate Departure changed to Feb-24-2026 9:00 AM

Estimated Gate Arrival changed to Feb-24-2026 10:49 AM

Tail Number changed to N17196

Actual Equipment changed to E45

23 Feb

06:52

Departure Gate changed to A5A

21 Feb

18:45

21 Feb

18:45

Scheduled Gate Departure changed to Feb-24-2026 9:00 AM

Scheduled Gate Arrival changed to Feb-24-2026 10:49 AM

Scheduled Equipment changed to ERJ