(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
Date
Event
Data Updated
3 Apr
14:20
10:20
10:20
Time Adjustment
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
10:15
10:15
Time Adjustment
Estimated Gate Arrival changed from Apr-03-2026 10:29 AM to Apr-03-2026 10:20 AM
3 Apr
14:13
10:13
10:13
Status Landed
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
09:14
09:14
Time Adjustment
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
09:09
09:09
Time Adjustment
Estimated Runway Arrival changed from Apr-03-2026 10:09 AM to Apr-03-2026 10:16 AM
3 Apr
13:08
09:08
09:08
Time Adjustment
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
09:08
09:08
Time Adjustment
Estimated Runway Arrival changed from Apr-03-2026 10:25 AM to Apr-03-2026 10:09 AM
3 Apr
12:56
08:56
08:56
Status Active
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
08:52
08:52
Time Adjustment
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
08:52
08:52
Time Adjustment
Estimated Runway Arrival changed to Apr-03-2026 10:46 AM
3 Apr
11:44
07:44
07:44
Time Adjustment
Estimated Runway Departure changed to Apr-03-2026 9:21 AM
3 Apr
08:50
04:50
04:50
Gate Adjustment
Arrival Gate changed to 11
Baggage changed to 3
2 Apr
21:03
17:03
17:03
Gate Adjustment
Departure Gate changed from A6C to A6A
2 Apr
14:56
10:56
10:56
Gate Adjustment
Departure Gate changed from A1 to A6C
2 Apr
14:51
10:51
10:51
Gate Adjustment
Departure Gate changed from A4B to A1
2 Apr
14:32
10:32
10:32
Gate Adjustment
Departure Gate changed from A1 to A4B
2 Apr
14:31
10:31
10:31
Time Adjustment
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
08:32
08:32
Gate Adjustment
Departure Gate changed from A4B to A1
2 Apr
12:20
08:20
08:20
Equipment Adjustment
Tail Number changed to N14203
Actual Equipment changed to E45
2 Apr
12:02
08:02
08:02
Time Adjustment
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
14:48
14:48
Record Created
31 Mar
18:48
14:48
14:48
Time Adjustment
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