(UA) United Airlines 4257 Flight Details
Delayed by 2h 55m | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
02-Apr-2026
Scheduled
09:00
EDT
Actual
12:05
EDT
Total Departure Delay: 3 h 5 mins
Flight Runway Times
02-Apr-2026
Scheduled
09:21
EDT
Actual
12:33
EDT
Runway Delay: 3 h 12 mins
Terminal
-
Gate
A1
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 50m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
02-Apr-2026
Scheduled
10:50
EDT
Actual
13:45
EDT
Total Arrival Delay: 2 h 55 mins
Flight Runway Times
02-Apr-2026
Scheduled
10:46
EDT
Actual
13:39
EDT
Runway Delay: 2 h 53 mins
Terminal
-
Gate
9
Baggage Claim
3
Tail Number
N11193
Flight Time
Actual
1h 40m
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
2 Apr
18:44
14:44
14:44
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:38 PM to Apr-02-2026 1:39 PM
Actual Runway Arrival changed from Apr-02-2026 1:38 PM to Apr-02-2026 1:39 PM
2 Apr
18:44
14:44
14:44
Time Adjustment
Estimated Gate Arrival changed from Apr-02-2026 1:43 PM to Apr-02-2026 1:45 PM
Actual Gate Arrival changed from Apr-02-2026 1:43 PM to Apr-02-2026 1:45 PM
2 Apr
17:51
13:51
13:51
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:41 PM to Apr-02-2026 1:38 PM
Actual Runway Arrival changed from Apr-02-2026 1:41 PM to Apr-02-2026 1:38 PM
2 Apr
17:49
13:49
13:49
Time Adjustment
Estimated Gate Arrival changed from Apr-02-2026 1:55 PM to Apr-02-2026 1:43 PM
Actual Gate Arrival changed to Apr-02-2026 1:43 PM
2 Apr
17:42
13:42
13:42
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:39 PM to Apr-02-2026 1:41 PM
Actual Runway Arrival changed from Apr-02-2026 1:39 PM to Apr-02-2026 1:41 PM
2 Apr
17:41
13:41
13:41
Status Landed
Estimated Runway Arrival changed from Apr-02-2026 1:51 PM to Apr-02-2026 1:39 PM
Actual Runway Arrival changed to Apr-02-2026 1:39 PM
Status changed from Active to Landed
2 Apr
16:39
12:39
12:39
Gate Adjustment
Arrival Gate changed from 11 to 9
2 Apr
16:38
12:38
12:38
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:44 PM to Apr-02-2026 1:51 PM
Estimated Gate Arrival changed from Apr-02-2026 1:56 PM to Apr-02-2026 1:55 PM
2 Apr
16:36
12:36
12:36
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:34 PM to Apr-02-2026 1:44 PM
2 Apr
16:34
12:34
12:34
Time Adjustment
Estimated Runway Departure changed from Apr-02-2026 12:27 PM to Apr-02-2026 12:33 PM
Actual Runway Departure changed to Apr-02-2026 12:33 PM
2 Apr
16:34
12:34
12:34
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:36 PM to Apr-02-2026 1:34 PM
2 Apr
16:07
12:07
12:07
Status Active
Estimated Gate Departure changed from Apr-02-2026 12:06 PM to Apr-02-2026 12:05 PM
Actual Gate Departure changed to Apr-02-2026 12:05 PM
Status changed from Scheduled to Active
2 Apr
16:07
12:07
12:07
Time Adjustment
Estimated Runway Arrival changed from Apr-02-2026 1:52 PM to Apr-02-2026 1:36 PM
2 Apr
15:43
11:43
11:43
Time Adjustment
Estimated Runway Departure changed from Apr-02-2026 12:21 PM to Apr-02-2026 12:27 PM
Estimated Gate Departure changed from Apr-02-2026 12:00 PM to Apr-02-2026 12:06 PM
Estimated Runway Arrival changed to Apr-02-2026 1:52 PM
Estimated Gate Arrival changed from Apr-02-2026 1:50 PM to Apr-02-2026 1:56 PM
2 Apr
10:49
06:49
06:49
Time Adjustment
Estimated Runway Departure changed from Apr-02-2026 9:21 AM to Apr-02-2026 12:21 PM
2 Apr
10:49
06:49
06:49
Time Adjustment
Estimated Gate Departure changed from Apr-02-2026 9:00 AM to Apr-02-2026 12:00 PM
Estimated Gate Arrival changed from Apr-02-2026 10:50 AM to Apr-02-2026 1:50 PM
2 Apr
10:21
06:21
06:21
Gate Adjustment
Departure Gate changed from A5 to A1
2 Apr
10:08
06:08
06:08
Gate Adjustment
Departure Gate changed from A2E to A5
2 Apr
10:06
06:06
06:06
Time Adjustment
Estimated Runway Departure changed to Apr-02-2026 9:21 AM
2 Apr
08:44
04:44
04:44
Gate Adjustment
Arrival Gate changed to 11
Baggage changed to 3
2 Apr
06:08
02:08
02:08
Gate Adjustment
Departure Gate changed from A5B to A2E
2 Apr
05:50
01:50
01:50
Equipment Adjustment
Tail Number changed from N17146 to N11193
1 Apr
19:08
15:08
15:08
Gate Adjustment
Departure Gate changed from A5A to A5B
1 Apr
19:08
15:08
15:08
Gate Adjustment
Departure Gate changed from A5 to A5A
1 Apr
18:56
14:56
14:56
Gate Adjustment
Departure Gate changed from A4A to A5
1 Apr
18:38
14:38
14:38
Gate Adjustment
Departure Gate changed from A4F to A4A
1 Apr
13:06
09:06
09:06
Time Adjustment
Scheduled Runway Departure changed from Apr-02-2026 9:10 AM to Apr-02-2026 9:21 AM
Scheduled Runway Arrival changed from Apr-02-2026 10:12 AM to Apr-02-2026 10:46 AM
1 Apr
13:01
09:01
09:01
Time Adjustment
Scheduled Runway Departure changed to Apr-02-2026 9:10 AM
Scheduled Runway Arrival changed to Apr-02-2026 10:12 AM
1 Apr
12:02
08:02
08:02
Gate Adjustment
Departure Gate changed to A4F
1 Apr
05:50
01:50
01:50
Time Adjustment
Estimated Gate Departure changed to Apr-02-2026 9:00 AM
Estimated Gate Arrival changed to Apr-02-2026 10:50 AM
Tail Number changed to N17146
Actual Equipment changed to E45
30 Mar
18:48
14:48
14:48
Record Created
30 Mar
18:48
14:48
14:48
Time Adjustment
Scheduled Gate Departure changed to Apr-02-2026 9:00 AM
Scheduled Gate Arrival changed to Apr-02-2026 10:50 AM
Scheduled Equipment changed to ERJ