
(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
Date
Event
Data Updated
21 Apr
02:48
20:48
19:48
Gate Adjustment
Arrival Gate changed from B4 to B3
21 Apr
02:18
20:18
19:18
Gate Adjustment
Arrival Gate changed from B5A to B4
21 Apr
01:46
19:46
18:46
Time Adjustment
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
14:36
13:36
Gate Adjustment
Arrival Gate changed from A14 to B5A
20 Apr
20:21
14:21
13:21
Gate Adjustment
Arrival Gate changed from B5 to A14
20 Apr
14:11
08:11
07:11
Gate Adjustment
Arrival Gate changed from A7 to B5
20 Apr
13:44
07:44
06:44
Time Adjustment
Estimated Gate Arrival changed to Apr-21-2026 9:37 PM
20 Apr
12:49
06:49
05:49
Gate Adjustment
Arrival Gate changed from S5 to A7
20 Apr
11:07
05:07
04:07
Gate Adjustment
Baggage changed to 6
20 Apr
10:32
04:32
03:32
Gate Adjustment
Departure Gate changed from A50 to A52
Arrival Gate changed from B6 to S5
19 Apr
21:29
15:29
14:29
Gate Adjustment
Departure Gate changed from A52 to A50
19 Apr
21:15
15:15
14:15
Gate Adjustment
Arrival Gate changed from S6 to B6
19 Apr
20:37
14:37
13:37
Gate Adjustment
Arrival Gate changed from S2 to S6
19 Apr
20:32
14:32
13:32
Gate Adjustment
Arrival Gate changed from S8 to S2
19 Apr
11:57
05:57
04:57
Gate Adjustment
Departure Gate changed from A51 to A52
19 Apr
10:33
04:33
03:33
Gate Adjustment
Arrival Gate changed from S6 to S8
19 Apr
09:32
03:32
02:32
Gate Adjustment
Departure Gate changed from A52 to A51
Tail Number changed from N246SY to N309SY
19 Apr
04:45
22:45
21:45
Gate Adjustment
Arrival Gate changed from S3 to S6
18 Apr
21:01
15:01
14:01
Gate Adjustment
Departure Gate changed to A52
Arrival Gate changed to S3
Tail Number changed to N246SY
Actual Equipment changed to E75
18 Apr
18:19
12:19
11:19
Record Created
18 Apr
18:19
12:19
11:19
Time Adjustment
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