
(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
26-Jul-2026
Scheduled
13:54
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
26-Jul-2026
Scheduled
14:29
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B1
Craft Type
Embraer 175
E75
Flight Time
Scheduled
3h 1m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
26-Jul-2026
Scheduled
16:55
PDT
Estimated
16:33
PDT
Total Arrival Delay: -
Flight Runway Times
26-Jul-2026
Scheduled
16:54
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
3
Baggage Claim
2
Tail Number
N259SY
Flight Time
Estimated
2h 39m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (AM) Aeromexico 4592, (KE) Korean Air 3091, (KL) KLM 7830, (WS) WestJet 8104
Event Timeline
Date
Event
Data Updated
26 Jul
07:03
00:03
00:03
Gate Adjustment
Baggage changed to 2
25 Jul
20:56
13:56
13:56
Time Adjustment
Scheduled Runway Departure changed to Jul-26-2026 2:29 PM
Scheduled Runway Arrival changed to Jul-26-2026 4:54 PM
25 Jul
17:11
10:11
10:11
Gate Adjustment
Departure Gate changed from B6 to B1
25 Jul
16:34
09:34
09:34
Gate Adjustment
Departure Gate changed from B7 to B6
25 Jul
15:48
08:48
08:48
Gate Adjustment
Departure Gate changed from B5A to B7
25 Jul
13:11
06:11
06:11
Gate Adjustment
Departure Gate changed from A7 to B5A
25 Jul
10:38
03:38
03:38
Gate Adjustment
Departure Gate changed from B8 to A7
25 Jul
08:54
01:54
01:54
Time Adjustment
Estimated Gate Arrival changed to Jul-26-2026 4:33 PM
Tail Number changed from N257SY to N259SY
24 Jul
17:35
10:35
10:35
Gate Adjustment
Departure Gate changed from A6 to B8
Tail Number changed to N257SY
Actual Equipment changed to E75
24 Jul
03:39
20:39
20:39
Gate Adjustment
Departure Gate changed to A6
Arrival Gate changed to 3
Arrival Terminal changed to A
23 Jul
18:21
11:21
11:21
Record Created
23 Jul
18:21
11:21
11:21
Time Adjustment
Scheduled Gate Departure changed to Jul-26-2026 1:54 PM
Scheduled Gate Arrival changed to Jul-26-2026 4:55 PM
Scheduled Equipment changed to E7W