(UA) United Airlines 399 Flight Details
On time | Departed
Departure
KEF
Keflavik Airport, IS
Flight Gate Times
11-Sep-2026
Scheduled
11:30
GMT
Actual
11:15
GMT
Total Departure Delay: -
Flight Runway Times
11-Sep-2026
Scheduled
11:49
GMT
Actual
11:25
GMT
Runway Delay: -
Terminal
-
Gate
D33
Craft Type
Boeing 757-200 (winglets) Passenger
75W
Flight Time
Scheduled
6h 25m
Arrival
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
11-Sep-2026
Scheduled
13:55
EDT
Estimated
13:31
EDT
Total Arrival Delay: -
Flight Runway Times
11-Sep-2026
Scheduled
13:28
EDT
Estimated
13:26
EDT
Runway Delay: -
Terminal
-
Gate
C4
Baggage Claim
-
Tail Number
N17122
Flight Time
Estimated
6h 16m
Event Timeline
Date
Event
Data Updated
11 Sep
11:27
11:27
07:27
Time Adjustment
Estimated Runway Departure changed from Sep-11-2026 11:27 AM to Sep-11-2026 11:25 AM
Actual Runway Departure changed to Sep-11-2026 11:25 AM
Estimated Runway Arrival changed from Sep-11-2026 1:28 PM to Sep-11-2026 1:26 PM
Estimated Gate Arrival changed from Sep-11-2026 1:33 PM to Sep-11-2026 1:31 PM
11 Sep
11:20
11:20
07:20
Time Adjustment
Estimated Runway Departure changed from Sep-11-2026 11:49 AM to Sep-11-2026 11:27 AM
Estimated Gate Arrival changed from Sep-11-2026 1:40 PM to Sep-11-2026 1:33 PM
11 Sep
11:20
11:20
07:20
Time Adjustment
Estimated Gate Arrival changed from Sep-11-2026 1:55 PM to Sep-11-2026 1:40 PM
11 Sep
11:17
11:17
07:17
Status Active
Estimated Gate Departure changed from Sep-11-2026 11:30 AM to Sep-11-2026 11:15 AM
Actual Gate Departure changed to Sep-11-2026 11:15 AM
Status changed from Scheduled to Active
11 Sep
11:15
11:15
07:15
Time Adjustment
Estimated Runway Arrival changed from Sep-11-2026 1:35 PM to Sep-11-2026 1:28 PM
11 Sep
11:15
11:15
07:15
Time Adjustment
Scheduled Runway Arrival changed from Sep-11-2026 1:35 PM to Sep-11-2026 1:28 PM
11 Sep
11:15
11:15
07:15
Time Adjustment
Estimated Runway Departure changed to Sep-11-2026 11:49 AM
Estimated Runway Arrival changed to Sep-11-2026 1:35 PM
11 Sep
11:15
11:15
07:15
Time Adjustment
Scheduled Runway Arrival changed from Sep-11-2026 1:50 PM to Sep-11-2026 1:35 PM
11 Sep
07:20
07:20
03:20
Gate Adjustment
Departure Gate changed to D33
10 Sep
18:02
18:02
14:02
Gate Adjustment
Arrival Gate changed to C4
10 Sep
13:50
13:50
09:50
Equipment Adjustment
Tail Number changed from N18119 to N17122
10 Sep
11:36
11:36
07:36
Time Adjustment
Scheduled Runway Departure changed to Sep-11-2026 11:49 AM
Scheduled Runway Arrival changed to Sep-11-2026 1:50 PM
10 Sep
00:03
00:03
20:03
Equipment Adjustment
Tail Number changed from N48127 to N18119
9 Sep
20:15
20:15
16:15
Equipment Adjustment
Tail Number changed from N17139 to N48127
9 Sep
05:20
05:20
01:20
Time Adjustment
Estimated Gate Departure changed to Sep-11-2026 11:30 AM
Estimated Gate Arrival changed to Sep-11-2026 1:55 PM
Tail Number changed to N17139
Actual Equipment changed to 75W
8 Sep
18:50
18:50
14:50
Record Created
8 Sep
18:50
18:50
14:50
Time Adjustment
Scheduled Gate Departure changed to Sep-11-2026 11:30 AM
Scheduled Gate Arrival changed to Sep-11-2026 1:55 PM
Scheduled Equipment changed to 752