(DL) Delta Air Lines 3991 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
26-Apr-2026
Scheduled
17:00
PDT
Actual
--
Total Departure Delay: -
Flight Runway Times
26-Apr-2026
Scheduled
17:02
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B5A
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 20m
Arrival
SFO
San Francisco International Airport, CA, US
Flight Gate Times
26-Apr-2026
Scheduled
19:20
PDT
Estimated
18:56
PDT
Total Arrival Delay: -
Flight Runway Times
26-Apr-2026
Scheduled
18:39
PDT
Actual
--
Runway Delay: -
Terminal
1
Gate
C9
Baggage Claim
CL-B8
Tail Number
N316SY
Flight Time
Estimated
1h 56m
Flight Notes
Operated by SkyWest Airlines on behalf of Delta Air Lines
Also marketed as (VS) Virgin Atlantic 3214
Event Timeline
Date
Event
Data Updated
26 Apr
14:31
07:31
07:31
Gate Adjustment
Baggage changed from 8 to CL-B8
26 Apr
11:46
04:46
04:46
Gate Adjustment
Baggage changed to 8
26 Apr
10:33
03:33
03:33
Time Adjustment
Scheduled Runway Departure changed from Apr-26-2026 5:03 PM to Apr-26-2026 5:02 PM
Scheduled Runway Arrival changed from Apr-26-2026 6:40 PM to Apr-26-2026 6:39 PM
26 Apr
10:32
03:32
03:32
Gate Adjustment
Arrival Gate changed from C10 to C9
26 Apr
10:32
03:32
03:32
Gate Adjustment
Departure Gate changed from A7 to B5A
26 Apr
00:06
17:06
17:06
Time Adjustment
Scheduled Runway Departure changed to Apr-26-2026 5:03 PM
Scheduled Runway Arrival changed to Apr-26-2026 6:40 PM
25 Apr
12:05
05:05
05:05
Time Adjustment
Estimated Gate Arrival changed to Apr-26-2026 6:56 PM
25 Apr
10:34
03:34
03:34
Gate Adjustment
Departure Gate changed from B5 to A7
25 Apr
03:37
20:37
20:37
Equipment Adjustment
Tail Number changed from N243SY to N316SY
24 Apr
20:48
13:48
13:48
Gate Adjustment
Departure Gate changed from B5A to B5
Tail Number changed from N305SY to N243SY
24 Apr
12:58
05:58
05:58
Gate Adjustment
Departure Gate changed from B5 to B5A
24 Apr
12:26
05:26
05:26
Gate Adjustment
Departure Gate changed from B5A to B5
24 Apr
10:33
03:33
03:33
Gate Adjustment
Arrival Gate changed from C11 to C10
24 Apr
10:32
03:32
03:32
Gate Adjustment
Departure Gate changed from B1 to B5A
24 Apr
00:12
17:12
17:12
Gate Adjustment
Arrival Gate changed from C3 to C11
23 Apr
23:37
16:37
16:37
Gate Adjustment
Departure Gate changed to B1
Arrival Gate changed to C3
Tail Number changed to N305SY
Actual Equipment changed to E75
23 Apr
18:20
11:20
11:20
Record Created
23 Apr
18:20
11:20
11:20
Time Adjustment
Scheduled Gate Departure changed to Apr-26-2026 5:00 PM
Scheduled Gate Arrival changed to Apr-26-2026 7:20 PM
Arrival Terminal changed to 1
Scheduled Equipment changed to E7W