(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
17-Jul-2026
Scheduled
13:54
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
17-Jul-2026
Scheduled
14:26
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
17-Jul-2026
Scheduled
16:55
PDT
Estimated
16:32
PDT
Total Arrival Delay: -
Flight Runway Times
17-Jul-2026
Scheduled
16:49
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
4
Baggage Claim
-
Tail Number
N311SY
Flight Time
Estimated
2h 38m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (KE) Korean Air 3091, (KL) KLM 7830, (WS) WestJet 8104
Event Timeline
Date
Event
Data Updated
16 Jul
22:41
15:41
15:41
Gate Adjustment
Departure Gate changed from B5 to B1
16 Jul
22:02
15:02
15:02
Gate Adjustment
Departure Gate changed from A14 to B5
16 Jul
20:56
13:56
13:56
Time Adjustment
Scheduled Runway Departure changed to Jul-17-2026 2:26 PM
Scheduled Runway Arrival changed to Jul-17-2026 4:49 PM
16 Jul
20:21
13:21
13:21
Gate Adjustment
Departure Gate changed from B5 to A14
16 Jul
16:31
09:31
09:31
Equipment Adjustment
Tail Number changed from N247SY to N311SY
16 Jul
12:22
05:22
05:22
Gate Adjustment
Departure Gate changed from B8 to B5
16 Jul
12:06
05:06
05:06
Gate Adjustment
Departure Gate changed from B5A to B8
16 Jul
08:57
01:57
01:57
Time Adjustment
Estimated Gate Arrival changed to Jul-17-2026 4:32 PM
Tail Number changed from N311SY to N247SY
15 Jul
04:38
21:38
21:38
Gate Adjustment
Departure Gate changed to B5A
Arrival Gate changed to 4
Arrival Terminal changed to A
Tail Number changed to N311SY
Actual Equipment changed to E75
14 Jul
18:21
11:21
11:21
Record Created
14 Jul
18:21
11:21
11:21
Time Adjustment
Scheduled Gate Departure changed to Jul-17-2026 1:54 PM
Scheduled Gate Arrival changed to Jul-17-2026 4:55 PM
Scheduled Equipment changed to E7W