
(DL) Delta Air Lines 3999 Flight Details
Delayed by 45m | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
03-Sep-2026
Scheduled
14:30
PDT
Estimated
15:15
PDT
Total Departure Delay: 45 mins
Flight Runway Times
03-Sep-2026
Scheduled
15:38
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B5A
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 52m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
03-Sep-2026
Scheduled
17:22
PDT
Estimated
18:07
PDT
Total Arrival Delay: 45 mins
Flight Runway Times
03-Sep-2026
Scheduled
18:00
PDT
Actual
--
Runway Delay: -
Terminal
A
Gate
4
Baggage Claim
2
Tail Number
N297SY
Flight Time
Estimated
2h 52m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (KE) Korean Air 3105, (KL) KLM 6284
Event Timeline
Date
Event
Data Updated
3 Sep
13:28
06:28
06:28
Time Adjustment
Scheduled Runway Departure changed from Sep-03-2026 3:50 PM to Sep-03-2026 3:38 PM
Scheduled Runway Arrival changed from Sep-03-2026 6:03 PM to Sep-03-2026 6:00 PM
3 Sep
13:28
06:28
06:28
Gate Adjustment
Departure Gate changed from B4 to B5A
3 Sep
12:15
05:15
05:15
Time Adjustment
Scheduled Runway Departure changed from Sep-03-2026 3:05 PM to Sep-03-2026 3:50 PM
Scheduled Runway Arrival changed from Sep-03-2026 5:18 PM to Sep-03-2026 6:03 PM
3 Sep
12:15
05:15
05:15
Time Adjustment
Estimated Gate Departure changed to Sep-03-2026 3:15 PM
3 Sep
12:15
05:15
05:15
Time Adjustment
Estimated Gate Arrival changed to Sep-03-2026 6:07 PM
3 Sep
10:36
03:36
03:36
Gate Adjustment
Departure Gate changed from S1 to B4
3 Sep
07:10
00:10
00:10
Gate Adjustment
Baggage changed to 2
2 Sep
21:36
14:36
14:36
Time Adjustment
Scheduled Runway Departure changed to Sep-03-2026 3:05 PM
Scheduled Runway Arrival changed to Sep-03-2026 5:18 PM
2 Sep
19:33
12:33
12:33
Gate Adjustment
Departure Gate changed from S6 to S1
2 Sep
12:19
05:19
05:19
Gate Adjustment
Departure Gate changed from B6 to S6
2 Sep
12:08
05:08
05:08
Gate Adjustment
Departure Gate changed from B3 to B6
2 Sep
10:35
03:35
03:35
Gate Adjustment
Departure Gate changed from A10 to B3
2 Sep
05:02
22:02
22:02
Equipment Adjustment
Tail Number changed from N298SY to N297SY
2 Sep
05:01
22:01
22:01
Equipment Adjustment
Tail Number changed from N296SY to N298SY
2 Sep
03:39
20:39
20:39
Equipment Adjustment
Tail Number changed from N309SY to N296SY
1 Sep
18:40
11:40
11:40
Gate Adjustment
Departure Gate changed from A2 to A10
Tail Number changed to N309SY
Actual Equipment changed to E75
31 Aug
21:19
14:19
14:19
Gate Adjustment
Arrival Gate changed from 3 to 4
31 Aug
20:48
13:48
13:48
Gate Adjustment
Departure Gate changed to A2
Arrival Gate changed to 3
Arrival Terminal changed to A
31 Aug
18:20
11:20
11:20
Record Created
31 Aug
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Sep-03-2026 2:30 PM
Scheduled Gate Arrival changed to Sep-03-2026 5:22 PM
Scheduled Equipment changed to E7W