
(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
04-Aug-2026
Scheduled
14:30
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
04-Aug-2026
Scheduled
15:06
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B8
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 52m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
04-Aug-2026
Scheduled
17:22
PDT
Actual
--
Total Arrival Delay: -
Flight Runway Times
04-Aug-2026
Scheduled
17:19
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
3
Baggage Claim
2
Tail Number
N242SY
Flight Time
Estimated
2h 52m
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
Event Timeline
Date
Event
Data Updated
4 Aug
07:13
00:13
00:13
Gate Adjustment
Baggage changed to 2
3 Aug
21:31
14:31
14:31
Time Adjustment
Scheduled Runway Departure changed to Aug-04-2026 3:06 PM
Scheduled Runway Arrival changed to Aug-04-2026 5:19 PM
3 Aug
17:10
10:10
10:10
Gate Adjustment
Departure Gate changed from B7 to B8
3 Aug
17:04
10:04
10:04
Gate Adjustment
Departure Gate changed from A12 to B7
3 Aug
14:34
07:34
07:34
Gate Adjustment
Departure Gate changed from B5A to A12
3 Aug
11:06
04:06
04:06
Gate Adjustment
Departure Gate changed from B5 to B5A
3 Aug
10:49
03:49
03:49
Gate Adjustment
Departure Gate changed from A6 to B5
2 Aug
22:23
15:23
15:23
Gate Adjustment
Arrival Gate changed from 2 to 3
2 Aug
10:51
03:51
03:51
Gate Adjustment
Departure Gate changed from B5A to A6
Tail Number changed from N312SY to N242SY
1 Aug
18:44
11:44
11:44
Gate Adjustment
Departure Gate changed to B5A
Arrival Gate changed to 2
Arrival Terminal changed to A
Tail Number changed to N312SY
Actual Equipment changed to E75
1 Aug
18:20
11:20
11:20
Record Created
1 Aug
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Aug-04-2026 2:30 PM
Scheduled Gate Arrival changed to Aug-04-2026 5:22 PM
Scheduled Equipment changed to E7W