(UA) United Airlines 4257 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
03-Dec-2025
Scheduled
09:00
EST
Actual
08:50
EST
Total Departure Delay: -
Flight Runway Times
03-Dec-2025
Scheduled
09:21
EST
Actual
09:05
EST
Runway Delay: -
Terminal
-
Gate
A6A
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 48m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
03-Dec-2025
Scheduled
10:48
EST
Actual
10:17
EST
Total Arrival Delay: -
Flight Runway Times
03-Dec-2025
Scheduled
10:44
EST
Actual
10:10
EST
Runway Delay: -
Terminal
-
Gate
11
Baggage Claim
-
Tail Number
N14177
Flight Time
Actual
1h 27m
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 Dec
15:18
10:18
10:18
Time Adjustment
Estimated Gate Arrival changed from Dec-03-2025 10:19 AM to Dec-03-2025 10:17 AM
Actual Gate Arrival changed to Dec-03-2025 10:17 AM
3 Dec
15:13
10:13
10:13
Time Adjustment
Estimated Runway Arrival changed from Dec-03-2025 10:09 AM to Dec-03-2025 10:10 AM
Actual Runway Arrival changed from Dec-03-2025 10:09 AM to Dec-03-2025 10:10 AM
Estimated Gate Arrival changed from Dec-03-2025 10:24 AM to Dec-03-2025 10:19 AM
3 Dec
15:11
10:11
10:11
Status Landed
Estimated Runway Arrival changed from Dec-03-2025 10:20 AM to Dec-03-2025 10:09 AM
Actual Runway Arrival changed to Dec-03-2025 10:09 AM
Status changed from Active to Landed
3 Dec
14:07
09:07
09:07
Time Adjustment
Estimated Runway Arrival changed from Dec-03-2025 10:10 AM to Dec-03-2025 10:20 AM
Estimated Gate Arrival changed from Dec-03-2025 10:48 AM to Dec-03-2025 10:24 AM
3 Dec
14:06
09:06
09:06
Time Adjustment
Estimated Runway Departure changed from Dec-03-2025 9:21 AM to Dec-03-2025 9:05 AM
Actual Runway Departure changed to Dec-03-2025 9:05 AM
Estimated Runway Arrival changed from Dec-03-2025 10:20 AM to Dec-03-2025 10:10 AM
3 Dec
13:55
08:55
08:55
Status Active
Estimated Gate Departure changed from Dec-03-2025 9:00 AM to Dec-03-2025 8:50 AM
Actual Gate Departure changed to Dec-03-2025 8:50 AM
Status changed from Scheduled to Active
3 Dec
13:52
08:52
08:52
Time Adjustment
Estimated Runway Arrival changed from Dec-03-2025 10:44 AM to Dec-03-2025 10:20 AM
3 Dec
13:52
08:52
08:52
Time Adjustment
Estimated Runway Arrival changed to Dec-03-2025 10:44 AM
3 Dec
13:07
08:07
08:07
Gate Adjustment
Arrival Gate changed to 11
3 Dec
12:06
07:06
07:06
Time Adjustment
Estimated Runway Departure changed to Dec-03-2025 9:21 AM
2 Dec
21:54
16:54
16:54
Gate Adjustment
Departure Gate changed from A1C to A6A
2 Dec
14:06
09:06
09:06
Time Adjustment
Scheduled Runway Departure changed from Dec-03-2025 9:05 AM to Dec-03-2025 9:21 AM
Scheduled Runway Arrival changed from Dec-03-2025 10:12 AM to Dec-03-2025 10:44 AM
2 Dec
14:01
09:01
09:01
Time Adjustment
Scheduled Runway Departure changed to Dec-03-2025 9:05 AM
Scheduled Runway Arrival changed to Dec-03-2025 10:12 AM
2 Dec
06:48
01:48
01:48
Gate Adjustment
Departure Gate changed to A1C
2 Dec
06:48
01:48
01:48
Time Adjustment
Estimated Gate Departure changed to Dec-03-2025 9:00 AM
Estimated Gate Arrival changed to Dec-03-2025 10:48 AM
Tail Number changed to N14177
Actual Equipment changed to E45
30 Nov
18:45
13:45
13:45
Record Created
30 Nov
18:45
13:45
13:45
Time Adjustment
Scheduled Gate Departure changed to Dec-03-2025 9:00 AM
Scheduled Gate Arrival changed to Dec-03-2025 10:48 AM
Scheduled Equipment changed to ERJ