(UA) United Airlines 4866 Flight Details
On time | Scheduled
Departure
ROA
Roanoke-Blacksburg Regional Airport, VA, US
Flight Gate Times
29-Sep-2026
Scheduled
20:05
EDT
Estimated
20:05
EDT
Total Departure Delay: -
Flight Runway Times
29-Sep-2026
Scheduled
20:21
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 14m
Arrival
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
29-Sep-2026
Scheduled
21:19
EDT
Estimated
21:19
EDT
Total Arrival Delay: -
Flight Runway Times
29-Sep-2026
Scheduled
21:13
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A6A
Baggage Claim
-
Tail Number
N16149
Flight Time
Estimated
1h 14m
Flight Notes
Operated by CommuteAir on behalf of United Airlines
Also marketed as (AC) Air Canada 3991, (AV) Avianca 2099, (LH) Lufthansa 8620
Event Timeline
Date
Event
Data Updated
29 Sep
01:21
21:21
21:21
Gate Adjustment
Arrival Gate changed to A6A
29 Sep
01:20
21:20
21:20
Time Adjustment
Scheduled Runway Departure changed from Sep-29-2026 8:15 PM to Sep-29-2026 8:21 PM
Scheduled Runway Arrival changed from Sep-29-2026 8:53 PM to Sep-29-2026 9:13 PM
29 Sep
00:11
20:11
20:11
Time Adjustment
Scheduled Runway Departure changed to Sep-29-2026 8:21 PM
Scheduled Runway Arrival changed to Sep-29-2026 9:13 PM
29 Sep
00:11
20:11
20:11
Time Adjustment
Scheduled Runway Departure changed from Sep-29-2026 8:21 PM to Sep-29-2026 8:15 PM
Scheduled Runway Arrival changed from Sep-29-2026 9:13 PM to Sep-29-2026 8:53 PM
28 Sep
23:26
19:26
19:26
Equipment Adjustment
Tail Number changed from N31131 to N16149
28 Sep
23:14
19:14
19:14
Equipment Adjustment
Tail Number changed from N14186 to N31131
27 Sep
19:50
15:50
15:50
Time Adjustment
Estimated Gate Departure changed to Sep-29-2026 8:05 PM
Estimated Gate Arrival changed to Sep-29-2026 9:19 PM
Tail Number changed to N14186
Actual Equipment changed to E45
26 Sep
18:48
14:48
14:48
Record Created
26 Sep
18:48
14:48
14:48
Time Adjustment
Scheduled Gate Departure changed to Sep-29-2026 8:05 PM
Scheduled Gate Arrival changed to Sep-29-2026 9:19 PM
Scheduled Equipment changed to ERJ