Flight

DL3991 (DAL3991)

Route

SEASFO

Status

Scheduled

Delta flight DL3991 from Seattle / Tacoma International Airport to San Francisco International Airport is scheduled to depart on Sep 28, 2026 at 05:51 PM and arrive at 08:18 PM local time.

Status:Scheduled

Refresh

Other DL3991 flights

Multiple flights operate under the DL3991 flight number.

FromToDeparts ArrivesStatus

Departure

Departs from	Seattle / Tacoma International (SEA)
Date	Mon, Sep 28
Departs	05:51 PM
Terminal	A
Gate	A14
Check-in counter	Not available

Arrival

Arrives at	San Francisco International (SFO)
Date	Mon, Sep 28
Arrives	08:18 PM
Terminal	1
Gate	C11
Baggage claim carousel	Not available

Track another flight

Millions of cheap flights. One simple search.

Roundtrip selected

origin

Enter the city you're flying from, or choose from the options below

Include nearby airports

selected

destination

. Enter your destination, or choose from the options below