(UA) United Airlines 399 Flight Details
On time | Scheduled
Departure
KEF
Keflavik Airport, IS
Flight Gate Times
24-Aug-2026
Scheduled
11:30
GMT
Estimated
11:30
GMT
Total Departure Delay: -
Flight Runway Times
24-Aug-2026
Scheduled
11:49
GMT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Craft Type
Boeing 757-200 (winglets) Passenger
75W
Flight Time
Scheduled
6h 25m
Arrival
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
24-Aug-2026
Scheduled
13:55
EDT
Estimated
13:55
EDT
Total Arrival Delay: -
Flight Runway Times
24-Aug-2026
Scheduled
13:50
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
C4
Baggage Claim
-
Tail Number
N12109
Flight Time
Estimated
6h 25m
Event Timeline
Date
Event
Data Updated
23 Aug
17:57
17:57
13:57
Gate Adjustment
Arrival Gate changed to C4
23 Aug
11:36
11:36
07:36
Time Adjustment
Scheduled Runway Departure changed from Aug-24-2026 11:40 AM to Aug-24-2026 11:49 AM
Scheduled Runway Arrival changed from Aug-24-2026 1:43 PM to Aug-24-2026 1:50 PM
23 Aug
11:31
11:31
07:31
Time Adjustment
Scheduled Runway Departure changed to Aug-24-2026 11:40 AM
Scheduled Runway Arrival changed to Aug-24-2026 1:43 PM
22 Aug
22:39
22:39
18:39
Equipment Adjustment
Tail Number changed from N17139 to N12109
22 Aug
05:20
05:20
01:20
Time Adjustment
Estimated Gate Departure changed to Aug-24-2026 11:30 AM
Estimated Gate Arrival changed to Aug-24-2026 1:55 PM
Tail Number changed to N17139
Actual Equipment changed to 75W
21 Aug
18:51
18:51
14:51
Record Created
21 Aug
18:51
18:51
14:51
Time Adjustment
Scheduled Gate Departure changed to Aug-24-2026 11:30 AM
Scheduled Gate Arrival changed to Aug-24-2026 1:55 PM
Scheduled Equipment changed to 752