(UA) United Airlines 4257 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
08-Nov-2025
Scheduled
09:00
EST
Actual
08:51
EST
Total Departure Delay: -
Flight Runway Times
08-Nov-2025
Scheduled
09:21
EST
Actual
09:29
EST
Runway Delay: 8 mins
Terminal
-
Gate
A2F
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 48m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
08-Nov-2025
Scheduled
10:48
EST
Actual
10:45
EST
Total Arrival Delay: -
Flight Runway Times
08-Nov-2025
Scheduled
10:44
EST
Actual
10:41
EST
Runway Delay: -
Terminal
-
Gate
9
Baggage Claim
-
Tail Number
N12201
Flight Time
Actual
1h 54m
Flight Notes
Operated by CommuteAir on behalf of United Airlines
Also marketed as (AC) Air Canada 4741, (CM) Copa Airlines 2237
Event Timeline
Date
Event
Data Updated
8 Nov
15:48
10:48
10:48
Time Adjustment
Estimated Gate Arrival changed from Nov-08-2025 10:47 AM to Nov-08-2025 10:45 AM
Actual Gate Arrival changed to Nov-08-2025 10:45 AM
8 Nov
15:45
10:45
10:45
Time Adjustment
Estimated Runway Arrival changed from Nov-08-2025 10:40 AM to Nov-08-2025 10:41 AM
Actual Runway Arrival changed from Nov-08-2025 10:40 AM to Nov-08-2025 10:41 AM
Estimated Gate Arrival changed from Nov-08-2025 10:59 AM to Nov-08-2025 10:47 AM
8 Nov
15:41
10:41
10:41
Status Landed
Estimated Runway Arrival changed from Nov-08-2025 10:55 AM to Nov-08-2025 10:40 AM
Actual Runway Arrival changed to Nov-08-2025 10:40 AM
Status changed from Active to Landed
8 Nov
14:33
09:33
09:33
Time Adjustment
Estimated Runway Arrival changed from Nov-08-2025 10:36 AM to Nov-08-2025 10:55 AM
Estimated Gate Arrival changed from Nov-08-2025 10:48 AM to Nov-08-2025 10:59 AM
8 Nov
14:32
09:32
09:32
Time Adjustment
Estimated Runway Departure changed from Nov-08-2025 9:30 AM to Nov-08-2025 9:29 AM
Actual Runway Departure changed from Nov-08-2025 9:30 AM to Nov-08-2025 9:29 AM
8 Nov
14:30
09:30
09:30
Time Adjustment
Estimated Runway Departure changed from Nov-08-2025 9:21 AM to Nov-08-2025 9:30 AM
Actual Runway Departure changed to Nov-08-2025 9:30 AM
Estimated Runway Arrival changed from Nov-08-2025 10:40 AM to Nov-08-2025 10:36 AM
8 Nov
14:30
09:30
09:30
Time Adjustment
Estimated Runway Departure changed from Nov-08-2025 9:30 AM to Nov-08-2025 9:21 AM
8 Nov
14:30
09:30
09:30
Time Adjustment
Estimated Runway Departure changed from Nov-08-2025 9:21 AM to Nov-08-2025 9:30 AM
8 Nov
14:15
09:15
09:15
Time Adjustment
Estimated Runway Arrival changed from Nov-08-2025 10:25 AM to Nov-08-2025 10:40 AM
8 Nov
13:57
08:57
08:57
Status Active
Estimated Gate Departure changed from Nov-08-2025 9:00 AM to Nov-08-2025 8:51 AM
Actual Gate Departure changed to Nov-08-2025 8:51 AM
Status changed from Scheduled to Active
8 Nov
13:53
08:53
08:53
Time Adjustment
Estimated Runway Arrival changed from Nov-08-2025 10:44 AM to Nov-08-2025 10:25 AM
8 Nov
13:53
08:53
08:53
Time Adjustment
Estimated Runway Arrival changed to Nov-08-2025 10:44 AM
8 Nov
12:45
07:45
07:45
Time Adjustment
Estimated Runway Departure changed to Nov-08-2025 9:21 AM
8 Nov
10:03
05:03
05:03
Gate Adjustment
Arrival Gate changed to 9
8 Nov
07:39
02:39
02:39
Gate Adjustment
Departure Gate changed from A4E to A2F
8 Nov
06:51
01:51
01:51
Equipment Adjustment
Tail Number changed from N11191 to N12201
8 Nov
00:39
19:39
19:39
Gate Adjustment
Departure Gate changed from A1 to A1C
8 Nov
00:39
19:39
19:39
Gate Adjustment
Departure Gate changed from A1C to A4E
8 Nov
00:32
19:32
19:32
Gate Adjustment
Departure Gate changed from A4E to A1
7 Nov
20:39
15:39
15:39
Gate Adjustment
Departure Gate changed from A2F to A4E
7 Nov
14:07
09:07
09:07
Time Adjustment
Scheduled Runway Departure changed from Nov-08-2025 9:05 AM to Nov-08-2025 9:21 AM
Scheduled Runway Arrival changed from Nov-08-2025 10:09 AM to Nov-08-2025 10:44 AM
7 Nov
14:01
09:01
09:01
Time Adjustment
Scheduled Runway Departure changed to Nov-08-2025 9:05 AM
Scheduled Runway Arrival changed to Nov-08-2025 10:09 AM
7 Nov
12:39
07:39
07:39
Gate Adjustment
Departure Gate changed to A2F
7 Nov
04:21
23:21
23:21
Time Adjustment
Estimated Gate Departure changed to Nov-08-2025 9:00 AM
Estimated Gate Arrival changed to Nov-08-2025 10:48 AM
Tail Number changed to N11191
Actual Equipment changed to E45
5 Nov
18:44
13:44
13:44
Record Created
5 Nov
18:44
13:44
13:44
Time Adjustment
Scheduled Gate Departure changed to Nov-08-2025 9:00 AM
Scheduled Gate Arrival changed to Nov-08-2025 10:48 AM
Scheduled Equipment changed to ERJ