(UA) United Airlines 4866 Flight Details
On time | Scheduled
Departure
ROA
Roanoke-Blacksburg Regional Airport, VA, US
Flight Gate Times
24-Aug-2026
Scheduled
20:05
EDT
Estimated
20:05
EDT
Total Departure Delay: -
Flight Runway Times
24-Aug-2026
Scheduled
20:21
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
2
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 14m
Arrival
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
24-Aug-2026
Scheduled
21:19
EDT
Estimated
21:19
EDT
Total Arrival Delay: -
Flight Runway Times
24-Aug-2026
Scheduled
21:13
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A4B
Baggage Claim
5
Tail Number
N16151
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
24 Aug
14:50
10:50
10:50
Gate Adjustment
Arrival Gate changed from A4A to A4B
24 Aug
14:38
10:38
10:38
Gate Adjustment
Departure Gate changed to 2
Baggage changed to 5
24 Aug
01:20
21:20
21:20
Gate Adjustment
Arrival Gate changed to A4A
24 Aug
00:11
20:11
20:11
Time Adjustment
Scheduled Runway Departure changed from Aug-24-2026 8:15 PM to Aug-24-2026 8:21 PM
Scheduled Runway Arrival changed from Aug-24-2026 8:51 PM to Aug-24-2026 9:13 PM
24 Aug
00:06
20:06
20:06
Time Adjustment
Scheduled Runway Departure changed to Aug-24-2026 8:15 PM
Scheduled Runway Arrival changed to Aug-24-2026 8:51 PM
23 Aug
22:50
18:50
18:50
Equipment Adjustment
Tail Number changed from N21144 to N16151
22 Aug
15:50
11:50
11:50
Time Adjustment
Estimated Gate Departure changed to Aug-24-2026 8:05 PM
Estimated Gate Arrival changed to Aug-24-2026 9:19 PM
Tail Number changed to N21144
Actual Equipment changed to E45
21 Aug
18:52
14:52
14:52
Record Created
21 Aug
18:52
14:52
14:52
Time Adjustment
Scheduled Gate Departure changed to Aug-24-2026 8:05 PM
Scheduled Gate Arrival changed to Aug-24-2026 9:19 PM
Scheduled Equipment changed to ERJ