(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
31-Aug-2026
Scheduled
14:30
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
31-Aug-2026
Scheduled
15:05
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B5A
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 52m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
31-Aug-2026
Scheduled
17:22
PDT
Actual
--
Total Arrival Delay: -
Flight Runway Times
31-Aug-2026
Scheduled
17:19
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
3
Baggage Claim
2
Tail Number
N240SY
Flight Time
Estimated
2h 52m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (KE) Korean Air 3105, (KL) KLM 6284
Event Timeline
Date
Event
Data Updated
31 Aug
10:38
03:38
03:38
Gate Adjustment
Departure Gate changed from A12 to B5A
Tail Number changed from N326SY to N240SY
31 Aug
07:06
00:06
00:06
Gate Adjustment
Baggage changed to 2
30 Aug
21:31
14:31
14:31
Time Adjustment
Scheduled Runway Departure changed to Aug-31-2026 3:05 PM
Scheduled Runway Arrival changed to Aug-31-2026 5:19 PM
30 Aug
19:29
12:29
12:29
Gate Adjustment
Departure Gate changed from A7 to A12
30 Aug
06:17
23:17
23:17
Gate Adjustment
Departure Gate changed from A6 to A7
30 Aug
03:45
20:45
20:45
Equipment Adjustment
Tail Number changed from N325SY to N326SY
29 Aug
04:00
21:00
21:00
Gate Adjustment
Departure Gate changed to A6
Arrival Gate changed to 3
Arrival Terminal changed to A
Tail Number changed to N325SY
Actual Equipment changed to E75
28 Aug
18:20
11:20
11:20
Record Created
28 Aug
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Aug-31-2026 2:30 PM
Scheduled Gate Arrival changed to Aug-31-2026 5:22 PM
Scheduled Equipment changed to E7W