(UA) United Airlines 399 Flight Details
On time | Scheduled
Departure
KEF
Keflavik Airport, IS
Flight Gate Times
21-Aug-2026
Scheduled
11:30
GMT
Estimated
11:30
GMT
Total Departure Delay: -
Flight Runway Times
21-Aug-2026
Scheduled
11:49
GMT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Craft Type
Boeing 757-300 (winglets) Passenger
75T
Flight Time
Scheduled
6h 25m
Arrival
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
21-Aug-2026
Scheduled
13:55
EDT
Estimated
13:55
EDT
Total Arrival Delay: -
Flight Runway Times
21-Aug-2026
Scheduled
13:50
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
C11
Baggage Claim
-
Tail Number
N75853
Flight Time
Estimated
6h 25m
Event Timeline
Date
Event
Data Updated
21 Aug
01:14
01:14
21:14
Gate Adjustment
Arrival Gate changed from C4 to C11
21 Aug
01:08
01:08
21:08
Equipment Adjustment
Tail Number changed from N13138 to N75853
Actual Equipment changed from 75W to 75T
20 Aug
17:57
17:57
13:57
Gate Adjustment
Arrival Gate changed to C4
20 Aug
17:26
17:26
13:26
Equipment Adjustment
Tail Number changed from N14115 to N13138
20 Aug
11:36
11:36
07:36
Time Adjustment
Scheduled Runway Departure changed from Aug-21-2026 11:40 AM to Aug-21-2026 11:49 AM
Scheduled Runway Arrival changed from Aug-21-2026 1:41 PM to Aug-21-2026 1:50 PM
20 Aug
11:31
11:31
07:31
Time Adjustment
Scheduled Runway Departure changed to Aug-21-2026 11:40 AM
Scheduled Runway Arrival changed to Aug-21-2026 1:41 PM
19 Aug
05:20
05:20
01:20
Time Adjustment
Estimated Gate Departure changed to Aug-21-2026 11:30 AM
Estimated Gate Arrival changed to Aug-21-2026 1:55 PM
Tail Number changed to N14115
Actual Equipment changed to 75W
18 Aug
18:52
18:52
14:52
Record Created
18 Aug
18:52
18:52
14:52
Time Adjustment
Scheduled Gate Departure changed to Aug-21-2026 11:30 AM
Scheduled Gate Arrival changed to Aug-21-2026 1:55 PM
Scheduled Equipment changed to 752