(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
05-Jul-2026
Scheduled
13:30
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
05-Jul-2026
Scheduled
14:02
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B5A
Craft Type
Embraer 175
E75
Flight Time
Scheduled
3h 1m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
05-Jul-2026
Scheduled
16:31
PDT
Estimated
16:14
PDT
Total Arrival Delay: -
Flight Runway Times
05-Jul-2026
Scheduled
16:19
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
3
Baggage Claim
-
Tail Number
N309SY
Flight Time
Estimated
2h 44m
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
4 Jul
20:32
13:32
13:32
Time Adjustment
Scheduled Runway Departure changed to Jul-05-2026 2:02 PM
Scheduled Runway Arrival changed to Jul-05-2026 4:19 PM
4 Jul
11:05
04:05
04:05
Gate Adjustment
Departure Gate changed from B5 to B5A
Tail Number changed from N307SY to N309SY
4 Jul
10:40
03:40
03:40
Gate Adjustment
Departure Gate changed from A6 to B5
4 Jul
08:44
01:44
01:44
Time Adjustment
Estimated Gate Arrival changed to Jul-05-2026 4:14 PM
4 Jul
04:40
21:40
21:40
Equipment Adjustment
Tail Number changed from N283SY to N307SY
4 Jul
04:40
21:40
21:40
Equipment Adjustment
Tail Number changed from N297SY to N283SY
4 Jul
03:47
20:47
20:47
Gate Adjustment
Departure Gate changed from B4 to A6
Tail Number changed from N252SY to N297SY
3 Jul
16:48
09:48
09:48
Gate Adjustment
Departure Gate changed from B8 to B4
Tail Number changed from N297SY to N252SY
2 Jul
23:52
16:52
16:52
Equipment Adjustment
Tail Number changed from N288SY to N297SY
2 Jul
23:52
16:52
16:52
Gate Adjustment
Departure Gate changed to B8
Arrival Gate changed to 3
Arrival Terminal changed to A
Tail Number changed to N288SY
Actual Equipment changed to E75
2 Jul
18:20
11:20
11:20
Record Created
2 Jul
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Jul-05-2026 1:30 PM
Scheduled Gate Arrival changed to Jul-05-2026 4:31 PM
Scheduled Equipment changed to E7W