(UA) United Airlines 399 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
15-Feb-2026
Scheduled
14:55
PST
Estimated
14:55
PST
Total Departure Delay: -
Flight Runway Times
15-Feb-2026
Scheduled
15:13
PST
Actual
--
Runway Delay: -
Terminal
-
Gate
B15
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 43m
Arrival
DEN
Denver International Airport, CO, US
Flight Gate Times
15-Feb-2026
Scheduled
18:38
MST
Estimated
18:38
MST
Total Arrival Delay: -
Flight Runway Times
15-Feb-2026
Scheduled
18:30
MST
Actual
--
Runway Delay: -
Terminal
-
Gate
A16
Baggage Claim
12
Tail Number
N66828
Flight Time
Estimated
2h 43m
Flight Notes
Also marketed as (CM) Copa Airlines 1286, (NH) ANA 7376
Event Timeline
Date
Event
Data Updated
15 Feb
18:44
10:44
11:44
Gate Adjustment
Arrival Gate changed from B22 to A16
15 Feb
16:33
08:33
09:33
Gate Adjustment
Arrival Gate changed from A19 to B22
15 Feb
16:27
08:27
09:27
Equipment Adjustment
Tail Number changed from N36469 to N66828
15 Feb
15:38
07:38
08:38
Equipment Adjustment
Tail Number changed from N69829 to N36469
15 Feb
14:26
06:26
07:26
Gate Adjustment
Departure Gate changed from B9 to B15
15 Feb
13:00
05:00
06:00
Gate Adjustment
Arrival Gate changed from B36 to A19
15 Feb
12:26
04:26
05:26
Gate Adjustment
Arrival Gate changed from A21 to B36
15 Feb
02:40
18:40
19:40
Gate Adjustment
Baggage changed to 12
15 Feb
01:44
17:44
18:44
Gate Adjustment
Arrival Gate changed to A21
14 Feb
23:01
15:01
16:01
Time Adjustment
Scheduled Runway Departure changed from Feb-15-2026 3:08 PM to Feb-15-2026 3:13 PM
Scheduled Runway Arrival changed from Feb-15-2026 6:10 PM to Feb-15-2026 6:30 PM
14 Feb
22:56
14:56
15:56
Time Adjustment
Scheduled Runway Departure changed to Feb-15-2026 3:08 PM
Scheduled Runway Arrival changed to Feb-15-2026 6:10 PM
13 Feb
13:45
05:45
06:45
Time Adjustment
Estimated Gate Departure changed to Feb-15-2026 2:55 PM
Estimated Gate Arrival changed to Feb-15-2026 6:38 PM
Departure Gate changed to B9
13 Feb
13:45
05:45
06:45
Equipment Adjustment
Tail Number changed to N69829
Actual Equipment changed to 7S9
12 Feb
18:48
10:48
11:48
Record Created
12 Feb
18:48
10:48
11:48
Time Adjustment
Scheduled Gate Departure changed to Feb-15-2026 2:55 PM
Scheduled Gate Arrival changed to Feb-15-2026 6:38 PM
Scheduled Equipment changed to 739