(UA) United Airlines 4257 Flight Details
On time | Scheduled
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
05-Feb-2026
Scheduled
09:00
EST
Estimated
09:00
EST
Total Departure Delay: -
Flight Runway Times
05-Feb-2026
Scheduled
09:21
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
A6A
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 57m
Arrival
TYS
Knoxville McGhee Tyson Airport, TN, US
Flight Gate Times
05-Feb-2026
Scheduled
10:57
EST
Estimated
10:57
EST
Total Arrival Delay: -
Flight Runway Times
05-Feb-2026
Scheduled
10:53
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N11192
Flight Time
Estimated
1h 57m
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
4 Feb
23:56
18:56
18:56
Gate Adjustment
Departure Gate changed from A1C to A6A
4 Feb
23:45
18:45
18:45
Equipment Adjustment
Tail Number changed from N14148 to N11192
4 Feb
19:44
14:44
14:44
Gate Adjustment
Departure Gate changed from A4C to A1C
4 Feb
14:06
09:06
09:06
Time Adjustment
Scheduled Runway Departure changed from Feb-05-2026 9:15 AM to Feb-05-2026 9:21 AM
Scheduled Runway Arrival changed from Feb-05-2026 10:22 AM to Feb-05-2026 10:53 AM
4 Feb
14:01
09:01
09:01
Time Adjustment
Scheduled Runway Departure changed to Feb-05-2026 9:15 AM
Scheduled Runway Arrival changed to Feb-05-2026 10:22 AM
4 Feb
06:56
01:56
01:56
Gate Adjustment
Departure Gate changed from A2F to A4C
4 Feb
06:51
01:51
01:51
Time Adjustment
Estimated Gate Departure changed to Feb-05-2026 9:00 AM
Estimated Gate Arrival changed to Feb-05-2026 10:57 AM
Tail Number changed to N14148
Actual Equipment changed to E45
4 Feb
06:51
01:51
01:51
Gate Adjustment
Departure Gate changed to A2F
2 Feb
18:47
13:47
13:47
Record Created
2 Feb
18:47
13:47
13:47
Time Adjustment
Scheduled Gate Departure changed to Feb-05-2026 9:00 AM
Scheduled Gate Arrival changed to Feb-05-2026 10:57 AM
Scheduled Equipment changed to ERJ