(UA) United Airlines 399 Flight Details
On time | Departed
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
04-Mar-2026
Scheduled
14:55
PST
Actual
14:52
PST
Total Departure Delay: -
Flight Runway Times
04-Mar-2026
Scheduled
15:13
PST
Actual
15:07
PST
Runway Delay: -
Terminal
-
Gate
B7A
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 43m
Arrival
DEN
Denver International Airport, CO, US
Flight Gate Times
04-Mar-2026
Scheduled
18:38
MST
Estimated
18:32
MST
Total Arrival Delay: -
Flight Runway Times
04-Mar-2026
Scheduled
18:24
MST
Estimated
18:26
MST
Runway Delay: 2 mins
Terminal
-
Gate
A30
Baggage Claim
12
Tail Number
N66825
Flight Time
Estimated
2h 40m
Flight Notes
Also marketed as (CM) Copa Airlines 1286, (NH) ANA 7376
Event Timeline
Date
Event
Data Updated
4 Mar
23:08
15:08
16:08
Time Adjustment
Estimated Runway Arrival changed from Mar-04-2026 6:13 PM to Mar-04-2026 6:26 PM
Estimated Gate Arrival changed from Mar-04-2026 6:29 PM to Mar-04-2026 6:32 PM
4 Mar
23:07
15:07
16:07
Time Adjustment
Estimated Runway Departure changed from Mar-04-2026 3:13 PM to Mar-04-2026 3:07 PM
Actual Runway Departure changed to Mar-04-2026 3:07 PM
Estimated Runway Arrival changed from Mar-04-2026 6:24 PM to Mar-04-2026 6:13 PM
4 Mar
22:56
14:56
15:56
Time Adjustment
Estimated Gate Departure changed from Mar-04-2026 2:48 PM to Mar-04-2026 2:52 PM
Actual Gate Departure changed from Mar-04-2026 2:48 PM to Mar-04-2026 2:52 PM
Estimated Gate Arrival changed from Mar-04-2026 6:32 PM to Mar-04-2026 6:29 PM
4 Mar
22:55
14:55
15:55
Status Active
Estimated Gate Departure changed from Mar-04-2026 2:55 PM to Mar-04-2026 2:48 PM
Actual Gate Departure changed to Mar-04-2026 2:48 PM
Status changed from Scheduled to Active
4 Mar
22:32
14:32
15:32
Time Adjustment
Estimated Gate Arrival changed from Mar-04-2026 6:38 PM to Mar-04-2026 6:32 PM
Departure Gate changed from B15 to B7A
Arrival Gate changed from A24 to A30
4 Mar
21:00
13:00
14:00
Gate Adjustment
Departure Gate changed from B7A to B15
4 Mar
20:40
12:40
13:40
Time Adjustment
Scheduled Runway Arrival changed from Mar-04-2026 6:30 PM to Mar-04-2026 6:24 PM
4 Mar
20:40
12:40
13:40
Time Adjustment
Estimated Runway Arrival changed to Mar-04-2026 6:24 PM
4 Mar
20:38
12:38
13:38
Gate Adjustment
Arrival Gate changed from A14 to A24
4 Mar
20:38
12:38
13:38
Gate Adjustment
Arrival Gate changed from A32 to A14
4 Mar
20:38
12:38
13:38
Gate Adjustment
Arrival Gate changed from A30 to A32
4 Mar
20:34
12:34
13:34
Time Adjustment
Estimated Runway Departure changed to Mar-04-2026 3:13 PM
4 Mar
18:44
10:44
11:44
Gate Adjustment
Departure Gate changed from B15 to B7A
4 Mar
14:44
06:44
07:44
Gate Adjustment
Baggage changed to 12
4 Mar
01:44
17:44
18:44
Gate Adjustment
Arrival Gate changed to A30
3 Mar
23:01
15:01
16:01
Time Adjustment
Scheduled Runway Departure changed from Mar-04-2026 3:05 PM to Mar-04-2026 3:13 PM
Scheduled Runway Arrival changed from Mar-04-2026 6:13 PM to Mar-04-2026 6:30 PM
3 Mar
22:56
14:56
15:56
Time Adjustment
Scheduled Runway Departure changed to Mar-04-2026 3:05 PM
Scheduled Runway Arrival changed to Mar-04-2026 6:13 PM
3 Mar
16:09
08:09
09:09
Equipment Adjustment
Tail Number changed from N38458 to N66825
1 Mar
19:27
11:27
12:27
Equipment Adjustment
Tail Number changed to N38458
Actual Equipment changed to 7S9
1 Mar
19:26
11:26
12:26
Time Adjustment
Estimated Gate Departure changed to Mar-04-2026 2:55 PM
Estimated Gate Arrival changed to Mar-04-2026 6:38 PM
Departure Gate changed to B15
1 Mar
18:46
10:46
11:46
Record Created
1 Mar
18:46
10:46
11:46
Time Adjustment
Scheduled Gate Departure changed to Mar-04-2026 2:55 PM
Scheduled Gate Arrival changed to Mar-04-2026 6:38 PM
Scheduled Equipment changed to 739