(UA) United Airlines 399 Flight Details
On time | Departed
Departure
KEF
Keflavik Airport, IS
Flight Gate Times
08-Sep-2026
Scheduled
11:30
GMT
Actual
11:39
GMT
Total Departure Delay: 9 mins
Flight Runway Times
08-Sep-2026
Scheduled
11:59
GMT
Estimated
11:59
GMT
Runway Delay: -
Terminal
-
Gate
D31
Craft Type
Boeing 757-200 (winglets) Passenger
75W
Flight Time
Scheduled
6h 25m
Arrival
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
08-Sep-2026
Scheduled
13:55
EDT
Estimated
14:03
EDT
Total Arrival Delay: 8 mins
Flight Runway Times
08-Sep-2026
Scheduled
13:52
EDT
Estimated
13:59
EDT
Runway Delay: 7 mins
Terminal
-
Gate
C12
Baggage Claim
-
Tail Number
N29129
Flight Time
Estimated
6h 24m
Event Timeline
Date
Event
Data Updated
8 Sep
11:44
11:44
07:44
Status Active
Estimated Gate Departure changed from Sep-08-2026 11:40 AM to Sep-08-2026 11:39 AM
Actual Gate Departure changed to Sep-08-2026 11:39 AM
Estimated Gate Arrival changed from Sep-08-2026 2:04 PM to Sep-08-2026 2:03 PM
Status changed from Scheduled to Active
8 Sep
11:39
11:39
07:39
Time Adjustment
Scheduled Runway Arrival changed from Sep-08-2026 1:59 PM to Sep-08-2026 1:58 PM
8 Sep
11:39
11:39
07:39
Time Adjustment
Scheduled Runway Arrival changed from Sep-08-2026 1:58 PM to Sep-08-2026 1:52 PM
8 Sep
11:32
11:32
07:32
Time Adjustment
Estimated Runway Departure changed from Sep-08-2026 11:54 AM to Sep-08-2026 11:59 AM
Estimated Gate Departure changed from Sep-08-2026 11:35 AM to Sep-08-2026 11:40 AM
Estimated Runway Arrival changed from Sep-08-2026 1:54 PM to Sep-08-2026 1:59 PM
Estimated Gate Arrival changed from Sep-08-2026 1:59 PM to Sep-08-2026 2:04 PM
8 Sep
11:32
11:32
07:32
Time Adjustment
Estimated Runway Departure changed from Sep-08-2026 11:49 AM to Sep-08-2026 11:54 AM
Estimated Gate Departure changed from Sep-08-2026 11:30 AM to Sep-08-2026 11:35 AM
Estimated Runway Arrival changed from Sep-08-2026 1:49 PM to Sep-08-2026 1:54 PM
Estimated Gate Arrival changed from Sep-08-2026 1:54 PM to Sep-08-2026 1:59 PM
8 Sep
11:32
11:32
07:32
Time Adjustment
Scheduled Runway Departure changed from Sep-08-2026 11:54 AM to Sep-08-2026 11:59 AM
Scheduled Runway Arrival changed from Sep-08-2026 1:54 PM to Sep-08-2026 1:59 PM
8 Sep
11:30
11:30
07:30
Time Adjustment
Scheduled Runway Departure changed from Sep-08-2026 11:49 AM to Sep-08-2026 11:54 AM
Scheduled Runway Arrival changed from Sep-08-2026 1:49 PM to Sep-08-2026 1:54 PM
8 Sep
10:44
10:44
06:44
Time Adjustment
Estimated Runway Departure changed to Sep-08-2026 11:49 AM
Estimated Runway Arrival changed to Sep-08-2026 1:49 PM
Estimated Gate Arrival changed from Sep-08-2026 1:55 PM to Sep-08-2026 1:54 PM
Arrival Gate changed from C4 to C12
8 Sep
07:06
07:06
03:06
Time Adjustment
Scheduled Runway Arrival changed from Sep-08-2026 1:50 PM to Sep-08-2026 1:49 PM
8 Sep
06:56
06:56
02:56
Gate Adjustment
Departure Gate changed to D31
7 Sep
17:56
17:56
13:56
Gate Adjustment
Arrival Gate changed to C4
7 Sep
11:36
11:36
07:36
Time Adjustment
Scheduled Runway Departure changed from Sep-08-2026 11:40 AM to Sep-08-2026 11:49 AM
Scheduled Runway Arrival changed from Sep-08-2026 1:06 PM to Sep-08-2026 1:50 PM
7 Sep
11:31
11:31
07:31
Time Adjustment
Scheduled Runway Departure changed to Sep-08-2026 11:40 AM
Scheduled Runway Arrival changed to Sep-08-2026 1:06 PM
6 Sep
23:32
23:32
19:32
Equipment Adjustment
Tail Number changed from N29124 to N29129
6 Sep
11:26
11:26
07:26
Equipment Adjustment
Tail Number changed from N19130 to N29124
6 Sep
05:20
05:20
01:20
Time Adjustment
Estimated Gate Departure changed to Sep-08-2026 11:30 AM
Estimated Gate Arrival changed to Sep-08-2026 1:55 PM
Tail Number changed to N19130
Actual Equipment changed to 75W
5 Sep
18:47
18:47
14:47
Record Created
5 Sep
18:47
18:47
14:47
Time Adjustment
Scheduled Gate Departure changed to Sep-08-2026 11:30 AM
Scheduled Gate Arrival changed to Sep-08-2026 1:55 PM
Scheduled Equipment changed to 752