(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
14-Jul-2026
Scheduled
13:54
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
14-Jul-2026
Scheduled
14:25
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
14-Jul-2026
Scheduled
16:55
PDT
Estimated
16:32
PDT
Total Arrival Delay: -
Flight Runway Times
14-Jul-2026
Scheduled
16:53
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
2
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
13 Jul
20:56
13:56
13:56
Time Adjustment
Scheduled Runway Departure changed to Jul-14-2026 2:25 PM
Scheduled Runway Arrival changed to Jul-14-2026 4:53 PM
13 Jul
12:38
05:38
05:38
Gate Adjustment
Departure Gate changed from B5 to B1
13 Jul
12:28
05:28
05:28
Gate Adjustment
Departure Gate changed from S7 to B5
13 Jul
10:36
03:36
03:36
Gate Adjustment
Departure Gate changed from A7 to S7
13 Jul
08:54
01:54
01:54
Time Adjustment
Estimated Gate Arrival changed to Jul-14-2026 4:32 PM
Departure Gate changed from B7 to A7
Tail Number changed from N240SY to N311SY
12 Jul
07:29
00:29
00:29
Equipment Adjustment
Tail Number changed from N285SY to N240SY
12 Jul
07:28
00:28
00:28
Equipment Adjustment
Tail Number changed from N240SY to N285SY
12 Jul
07:17
00:17
00:17
Equipment Adjustment
Tail Number changed from N285SY to N240SY
12 Jul
07:13
00:13
00:13
Equipment Adjustment
Tail Number changed from N326SY to N285SY
12 Jul
06:27
23:27
23:27
Equipment Adjustment
Tail Number changed from N285SY to N326SY
12 Jul
06:26
23:26
23:26
Gate Adjustment
Departure Gate changed to B7
Arrival Gate changed to 2
Arrival Terminal changed to A
Tail Number changed to N285SY
Actual Equipment changed to E75
11 Jul
18:20
11:20
11:20
Record Created
11 Jul
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Jul-14-2026 1:54 PM
Scheduled Gate Arrival changed to Jul-14-2026 4:55 PM
Scheduled Equipment changed to E7W