background

(DL) Delta Air Lines 3999 Flight Details

On time | Scheduled

Departure

SEA

Seattle-Tacoma International Airport, WA, US

Flight Gate Times

23-Jul-2026

Scheduled

13:54

 PDT

Actual

--

Total Departure Delay: -

Flight Runway Times

23-Jul-2026

Scheduled

14:28

 PDT

Actual

--

Runway Delay: -

Terminal

-

Gate

A2

Craft Type

Embraer 175

E75

Flight Time

Scheduled

3h 1m

Arrival

SNA

John Wayne Airport, CA, US

Flight Gate Times

23-Jul-2026

Scheduled

16:55

 PDT

Estimated

16:33

 PDT

Total Arrival Delay: -

Flight Runway Times

23-Jul-2026

Scheduled

16:49

 PDT

Actual

--

Runway Delay: -

Terminal

A

Gate

3

Baggage Claim

-

Tail Number

N310SY

Flight Time

Estimated

2h 39m

Flight Notes

Operated by SkyWest Airlines on behalf of Delta Air Lines

Also marketed as (AM) Aeromexico 4592, (KE) Korean Air 3091, (KL) KLM 7830, (WS) WestJet 8104

Event Timeline

Time

Date

UTC

Event

Data Updated

22 Jul

20:56

Scheduled Runway Departure changed to Jul-23-2026 2:28 PM

Scheduled Runway Arrival changed to Jul-23-2026 4:49 PM

22 Jul

19:30

Departure Gate changed from A12 to A2

22 Jul

13:26

Departure Gate changed from B5 to A12

22 Jul

10:40

Departure Gate changed from A6 to B5

22 Jul

08:55

Estimated Gate Arrival changed to Jul-23-2026 4:33 PM

Departure Gate changed from B5A to A6

Tail Number changed from N305SY to N310SY

20 Jul

21:30

Departure Gate changed to B5A

Arrival Gate changed to 3

Arrival Terminal changed to A

Tail Number changed to N305SY

Actual Equipment changed to E75

20 Jul

18:21

20 Jul

18:21

Scheduled Gate Departure changed to Jul-23-2026 1:54 PM

Scheduled Gate Arrival changed to Jul-23-2026 4:55 PM

Scheduled Equipment changed to E7W