(UA) United Airlines 4257 Flight Details
On time | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
30-Dec-2025
Scheduled
09:00
EST
Estimated
09:00
EST
Total Departure Delay: -
Flight Runway Times
30-Dec-2025
Scheduled
09:21
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
A4B
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 56m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
30-Dec-2025
Scheduled
10:56
EST
Estimated
10:56
EST
Total Arrival Delay: -
Flight Runway Times
30-Dec-2025
Scheduled
10:52
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N13161
Flight Time
Estimated
1h 56m
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
29 Dec
22:44
17:44
17:44
Gate Adjustment
Departure Gate changed from A5A to A4B
29 Dec
17:19
12:19
12:19
Equipment Adjustment
Tail Number changed from N12167 to N13161
29 Dec
14:07
09:07
09:07
Time Adjustment
Scheduled Runway Departure changed from Dec-30-2025 9:12 AM to Dec-30-2025 9:21 AM
Scheduled Runway Arrival changed from Dec-30-2025 10:20 AM to Dec-30-2025 10:52 AM
29 Dec
14:01
09:01
09:01
Time Adjustment
Scheduled Runway Departure changed to Dec-30-2025 9:12 AM
Scheduled Runway Arrival changed to Dec-30-2025 10:20 AM
29 Dec
05:07
00:07
00:07
Equipment Adjustment
Tail Number changed from N33182 to N12167
29 Dec
05:01
00:01
00:01
Equipment Adjustment
Tail Number changed from N27200 to N33182
29 Dec
04:43
23:43
23:43
Gate Adjustment
Departure Gate changed to A5A
29 Dec
04:43
23:43
23:43
Equipment Adjustment
Tail Number changed from N12167 to N27200
28 Dec
23:01
18:01
18:01
Time Adjustment
Estimated Gate Departure changed to Dec-30-2025 9:00 AM
Estimated Gate Arrival changed to Dec-30-2025 10:56 AM
Tail Number changed to N12167
Actual Equipment changed to E45
27 Dec
18:47
13:47
13:47
Record Created
27 Dec
18:47
13:47
13:47
Time Adjustment
Scheduled Gate Departure changed to Dec-30-2025 9:00 AM
Scheduled Gate Arrival changed to Dec-30-2025 10:56 AM
Scheduled Equipment changed to ERJ