
(DL) Delta Air Lines 3999 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
23-May-2026
Scheduled
13:40
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
23-May-2026
Scheduled
--
Actual
--
Runway Delay: -
Terminal
-
Gate
A7
Craft Type
Embraer 175
E75
Flight Time
Scheduled
3h 1m
Arrival
SNA
John Wayne Airport, CA, US
Flight Gate Times
23-May-2026
Scheduled
16:41
PDT
Estimated
16:29
PDT
Total Arrival Delay: -
Flight Runway Times
23-May-2026
Scheduled
--
Actual
--
Runway Delay: -
Terminal
A
Gate
4
Baggage Claim
-
Tail Number
N320SY
Flight Time
Estimated
2h 49m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (KE) Korean Air 3105, (KL) KLM 6284, (WS) WestJet 6762
Event Timeline
Date
Event
Data Updated
22 May
19:24
12:24
12:24
Gate Adjustment
Departure Gate changed from B1 to A7
22 May
19:03
12:03
12:03
Gate Adjustment
Departure Gate changed from S4 to B1
22 May
13:10
06:10
06:10
Gate Adjustment
Departure Gate changed from B3 to S4
22 May
12:52
05:52
05:52
Gate Adjustment
Departure Gate changed from B5A to B3
22 May
08:51
01:51
01:51
Time Adjustment
Estimated Gate Arrival changed to May-23-2026 4:29 PM
21 May
12:05
05:05
05:05
Gate Adjustment
Departure Gate changed from B4 to B5A
21 May
04:02
21:02
21:02
Gate Adjustment
Departure Gate changed to B4
Arrival Gate changed to 4
Arrival Terminal changed to A
Tail Number changed to N320SY
Actual Equipment changed to E75
20 May
18:19
11:19
11:19
Record Created
20 May
18:19
11:19
11:19
Time Adjustment
Scheduled Gate Departure changed to May-23-2026 1:40 PM
Scheduled Gate Arrival changed to May-23-2026 4:41 PM
Scheduled Equipment changed to E7W