(DL) Delta Air Lines 3999 Flight Details
On time | Departed
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
07-Jun-2026
Scheduled
13:30
PDT
Actual
13:25
PDT
Total Departure Delay: -
Flight Runway Times
07-Jun-2026
Scheduled
13:56
PDT
Actual
14:17
PDT
Runway Delay: 21 mins
Terminal
-
Gate
B8
Craft Type
Embraer 175
E75
Flight Time
Scheduled
3h 1m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
07-Jun-2026
Scheduled
16:31
PDT
Estimated
15:59
PDT
Total Arrival Delay: -
Flight Runway Times
07-Jun-2026
Scheduled
16:14
PDT
Estimated
15:53
PDT
Runway Delay: -
Terminal
A
Gate
3
Baggage Claim
2
Tail Number
N312SY
Flight Time
Estimated
2h 34m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (KE) Korean Air 3091, (KL) KLM 7830
Event Timeline
Date
Event
Data Updated
7 Jun
21:18
14:18
14:18
Time Adjustment
Estimated Runway Departure changed from Jun-07-2026 2:16 PM to Jun-07-2026 2:17 PM
Actual Runway Departure changed from Jun-07-2026 2:16 PM to Jun-07-2026 2:17 PM
7 Jun
21:18
14:18
14:18
Time Adjustment
Estimated Runway Departure changed from Jun-07-2026 1:46 PM to Jun-07-2026 2:16 PM
Actual Runway Departure changed to Jun-07-2026 2:16 PM
7 Jun
20:27
13:27
13:27
Time Adjustment
Estimated Runway Arrival changed from Jun-07-2026 3:44 PM to Jun-07-2026 3:53 PM
Estimated Gate Arrival changed from Jun-07-2026 3:50 PM to Jun-07-2026 3:59 PM
7 Jun
20:27
13:27
13:27
Status Active
Actual Gate Departure changed to Jun-07-2026 1:25 PM
Status changed from Scheduled to Active
7 Jun
20:26
13:26
13:26
Time Adjustment
Estimated Runway Departure changed from Jun-07-2026 1:51 PM to Jun-07-2026 1:46 PM
7 Jun
20:00
13:00
13:00
Time Adjustment
Estimated Gate Departure changed from Jun-07-2026 1:30 PM to Jun-07-2026 1:25 PM
7 Jun
20:00
13:00
13:00
Time Adjustment
Estimated Runway Arrival changed from Jun-07-2026 3:56 PM to Jun-07-2026 3:44 PM
Estimated Gate Arrival changed from Jun-07-2026 4:04 PM to Jun-07-2026 3:50 PM
7 Jun
19:32
12:32
12:32
Time Adjustment
Estimated Runway Departure changed from Jun-07-2026 1:56 PM to Jun-07-2026 1:51 PM
Estimated Gate Departure changed to Jun-07-2026 1:30 PM
Estimated Runway Arrival changed to Jun-07-2026 3:56 PM
7 Jun
19:32
12:32
12:32
Time Adjustment
Estimated Runway Departure changed to Jun-07-2026 1:56 PM
7 Jun
19:31
12:31
12:31
Time Adjustment
Estimated Gate Arrival changed from Jun-07-2026 4:06 PM to Jun-07-2026 4:04 PM
7 Jun
11:21
04:21
04:21
Time Adjustment
Scheduled Runway Departure changed to Jun-07-2026 1:56 PM
Scheduled Runway Arrival changed to Jun-07-2026 4:14 PM
7 Jun
10:41
03:41
03:41
Gate Adjustment
Departure Gate changed from B4 to B8
7 Jun
07:05
00:05
00:05
Gate Adjustment
Baggage changed to 2
7 Jun
03:59
20:59
20:59
Time Adjustment
Estimated Gate Arrival changed to Jun-07-2026 4:06 PM
5 Jun
17:31
10:31
10:31
Gate Adjustment
Departure Gate changed from B1 to B4
5 Jun
17:25
10:25
10:25
Gate Adjustment
Departure Gate changed from B3 to B1
Tail Number changed from N308SY to N312SY
5 Jun
15:55
08:55
08:55
Gate Adjustment
Departure Gate changed from B5A to B3
5 Jun
15:30
08:30
08:30
Gate Adjustment
Departure Gate changed from A5 to B5A
5 Jun
13:49
06:49
06:49
Gate Adjustment
Departure Gate changed from A7 to A5
5 Jun
10:42
03:42
03:42
Gate Adjustment
Departure Gate changed from S2 to A7
Tail Number changed from N322SY to N308SY
5 Jun
04:02
21:02
21:02
Gate Adjustment
Departure Gate changed to S2
Arrival Gate changed to 3
Arrival Terminal changed to A
Tail Number changed to N322SY
Actual Equipment changed to E75
4 Jun
18:19
11:19
11:19
Record Created
4 Jun
18:19
11:19
11:19
Time Adjustment
Scheduled Gate Departure changed to Jun-07-2026 1:30 PM
Scheduled Gate Arrival changed to Jun-07-2026 4:31 PM
Scheduled Equipment changed to E7W