(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
01-Aug-2026
Scheduled
13:54
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
01-Aug-2026
Scheduled
14:30
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B3
Craft Type
Embraer 175
E75
Flight Time
Scheduled
3h 1m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
01-Aug-2026
Scheduled
16:55
PDT
Estimated
16:32
PDT
Total Arrival Delay: -
Flight Runway Times
01-Aug-2026
Scheduled
16:46
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
2
Baggage Claim
2
Tail Number
N309SY
Flight Time
Estimated
2h 38m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (AM) Aeromexico 4592, (KE) Korean Air 3105, (KL) KLM 6284, (WS) WestJet 8104
Event Timeline
Date
Event
Data Updated
1 Aug
07:10
00:10
00:10
Gate Adjustment
Baggage changed to 2
31 Jul
20:56
13:56
13:56
Time Adjustment
Scheduled Runway Departure changed to Aug-01-2026 2:30 PM
Scheduled Runway Arrival changed to Aug-01-2026 4:46 PM
31 Jul
12:46
05:46
05:46
Gate Adjustment
Departure Gate changed from S9 to B3
Tail Number changed from N327SY to N309SY
31 Jul
08:55
01:55
01:55
Time Adjustment
Estimated Gate Arrival changed to Aug-01-2026 4:32 PM
Tail Number changed from N258SY to N327SY
30 Jul
19:35
12:35
12:35
Gate Adjustment
Departure Gate changed from S9A to S9
30 Jul
19:33
12:33
12:33
Gate Adjustment
Departure Gate changed from B1 to S9A
30 Jul
12:01
05:01
05:01
Gate Adjustment
Departure Gate changed from B7 to B1
30 Jul
11:57
04:57
04:57
Gate Adjustment
Departure Gate changed from B5A to B7
30 Jul
10:50
03:50
03:50
Gate Adjustment
Departure Gate changed from B3 to B5A
Tail Number changed from N252SY to N258SY
30 Jul
04:44
21:44
21:44
Gate Adjustment
Departure Gate changed to B3
Arrival Gate changed to 2
Arrival Terminal changed to A
Tail Number changed to N252SY
Actual Equipment changed to E75
29 Jul
18:20
11:20
11:20
Record Created
29 Jul
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Aug-01-2026 1:54 PM
Scheduled Gate Arrival changed to Aug-01-2026 4:55 PM
Scheduled Equipment changed to E7W