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(DL) Delta Air Lines 4156 Flight Details

On time | Scheduled

Departure

DEN

Denver International Airport, CO, US

Flight Gate Times

21-Apr-2026

Scheduled

19:45

 MDT

Actual

--

Total Departure Delay: -

Flight Runway Times

21-Apr-2026

Scheduled

19:52

 MDT

Actual

--

Runway Delay: -

Terminal

-

Gate

A52

Craft Type

Embraer 175

E75

Flight Time

Scheduled

3h 20m

Arrival

SEA

Seattle-Tacoma International Airport, WA, US

Flight Gate Times

21-Apr-2026

Scheduled

22:05

 PDT

Estimated

21:37

 PDT

Total Arrival Delay: -

Flight Runway Times

21-Apr-2026

Scheduled

21:14

 PDT

Actual

--

Runway Delay: -

Terminal

-

Gate

B3

Baggage Claim

6

Tail Number

N309SY

Flight Time

Estimated

2h 52m

Flight Notes

Operated by SkyWest Airlines on behalf of Delta Air Lines

Event Timeline

Time

Date

UTC

Event

Data Updated

21 Apr

02:48

Arrival Gate changed from B4 to B3

21 Apr

02:18

Arrival Gate changed from B5A to B4

21 Apr

01:46

Scheduled Runway Departure changed to Apr-21-2026 7:52 PM

Scheduled Runway Arrival changed to Apr-21-2026 9:14 PM

20 Apr

20:36

Arrival Gate changed from A14 to B5A

20 Apr

20:21

Arrival Gate changed from B5 to A14

20 Apr

14:11

Arrival Gate changed from A7 to B5

20 Apr

13:44

Estimated Gate Arrival changed to Apr-21-2026 9:37 PM

20 Apr

12:49

Arrival Gate changed from S5 to A7

20 Apr

11:07

Baggage changed to 6

20 Apr

10:32

Departure Gate changed from A50 to A52

Arrival Gate changed from B6 to S5

19 Apr

21:29

Departure Gate changed from A52 to A50

19 Apr

21:15

Arrival Gate changed from S6 to B6

19 Apr

20:37

Arrival Gate changed from S2 to S6

19 Apr

20:32

Arrival Gate changed from S8 to S2

19 Apr

11:57

Departure Gate changed from A51 to A52

19 Apr

10:33

Arrival Gate changed from S6 to S8

19 Apr

09:32

Departure Gate changed from A52 to A51

Tail Number changed from N246SY to N309SY

19 Apr

04:45

Arrival Gate changed from S3 to S6

18 Apr

21:01

Departure Gate changed to A52

Arrival Gate changed to S3

Tail Number changed to N246SY

Actual Equipment changed to E75

18 Apr

18:19

18 Apr

18:19

Scheduled Gate Departure changed to Apr-21-2026 7:45 PM

Scheduled Gate Arrival changed to Apr-21-2026 10:05 PM

Scheduled Equipment changed to E7W