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(UA) United Airlines 4257 Flight Details

On time | Arrived

Departure

IAD

Washington Dulles International Airport, VA, US

Flight Gate Times

03-Apr-2026

Scheduled

09:00

 EDT

Actual

08:51

 EDT

Total Departure Delay: -

Flight Runway Times

03-Apr-2026

Scheduled

09:21

 EDT

Actual

09:07

 EDT

Runway Delay: -

Terminal

-

Gate

A6A

Craft Type

Embraer EMB-145XR

E45

Flight Time

Scheduled

1h 50m

Arrival

TYS

Knoxville McGhee Tyson Airport, TN, US

Flight Gate Times

03-Apr-2026

Scheduled

10:50

 EDT

Actual

10:17

 EDT

Total Arrival Delay: -

Flight Runway Times

03-Apr-2026

Scheduled

10:46

 EDT

Actual

10:12

 EDT

Runway Delay: -

Terminal

-

Gate

11

Baggage Claim

3

Tail Number

N14203

Flight Time

Actual

1h 26m

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

3 Apr

14:20

Estimated Gate Arrival changed from Apr-03-2026 10:20 AM to Apr-03-2026 10:17 AM

Actual Gate Arrival changed to Apr-03-2026 10:17 AM

3 Apr

14:15

Estimated Gate Arrival changed from Apr-03-2026 10:29 AM to Apr-03-2026 10:20 AM

3 Apr

14:13

Estimated Runway Arrival changed from Apr-03-2026 10:25 AM to Apr-03-2026 10:12 AM

Actual Runway Arrival changed to Apr-03-2026 10:12 AM

Status changed from Active to Landed

3 Apr

13:14

Estimated Runway Arrival changed from Apr-03-2026 10:16 AM to Apr-03-2026 10:25 AM

Estimated Gate Arrival changed from Apr-03-2026 10:50 AM to Apr-03-2026 10:29 AM

3 Apr

13:09

Estimated Runway Arrival changed from Apr-03-2026 10:09 AM to Apr-03-2026 10:16 AM

3 Apr

13:08

Estimated Runway Departure changed from Apr-03-2026 9:21 AM to Apr-03-2026 9:07 AM

Actual Runway Departure changed to Apr-03-2026 9:07 AM

3 Apr

13:08

Estimated Runway Arrival changed from Apr-03-2026 10:25 AM to Apr-03-2026 10:09 AM

3 Apr

12:56

Estimated Gate Departure changed from Apr-03-2026 9:00 AM to Apr-03-2026 8:51 AM

Actual Gate Departure changed to Apr-03-2026 8:51 AM

Estimated Gate Arrival changed from Apr-03-2026 10:29 AM to Apr-03-2026 10:50 AM

Status changed from Scheduled to Active

3 Apr

12:52

Estimated Runway Arrival changed from Apr-03-2026 10:46 AM to Apr-03-2026 10:25 AM

Estimated Gate Arrival changed from Apr-03-2026 10:50 AM to Apr-03-2026 10:29 AM

3 Apr

12:52

Estimated Runway Arrival changed to Apr-03-2026 10:46 AM

3 Apr

11:44

Estimated Runway Departure changed to Apr-03-2026 9:21 AM

3 Apr

08:50

Arrival Gate changed to 11

Baggage changed to 3

2 Apr

21:03

Departure Gate changed from A6C to A6A

2 Apr

14:56

Departure Gate changed from A1 to A6C

2 Apr

14:51

Departure Gate changed from A4B to A1

2 Apr

14:32

Departure Gate changed from A1 to A4B

2 Apr

14:31

Scheduled Runway Departure changed to Apr-03-2026 9:21 AM

Scheduled Runway Arrival changed to Apr-03-2026 10:46 AM

2 Apr

12:32

Departure Gate changed from A4B to A1

2 Apr

12:20

Tail Number changed to N14203

Actual Equipment changed to E45

2 Apr

12:02

Estimated Gate Departure changed to Apr-03-2026 9:00 AM

Estimated Gate Arrival changed to Apr-03-2026 10:50 AM

Departure Gate changed to A4B

31 Mar

18:48

31 Mar

18:48

Scheduled Gate Departure changed to Apr-03-2026 9:00 AM

Scheduled Gate Arrival changed to Apr-03-2026 10:50 AM

Scheduled Equipment changed to ERJ