| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 29 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 24 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 23 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 19 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 17 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 10 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 06 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Aug 05 | SFO | SEA | 20:59 | 23:19 |
Scheduled
|
Track > |
| Jul 29 | SFO | SEA | 21:21 | 22:53 |
Landed
|
Track > |
| Jul 28 | SFO | SEA | 21:26 | 23:10 |
Landed
|
Track > |
Delta Air Lines Flight DL3991 connects San Francisco, United States to Seattle, United States, taking off from San Francisco International Airport SFO and landing at Seattle Tacoma International Airport SEA.
How long is the DL3991 flight from San Francisco to Seattle?
The average flight time from San Francisco to Seattle is 1 hour and 38 minutes. The flight distance is 1093 km / 679 miles and the average flight speed is 509 km/h / 316 mph.
How many DL3991 flights are operated per week?
1 flight per week. The flight DL3991 is operated on Sunday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3991 San Francisco to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3991 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL3991 flight?
The latest flight took off on Sunday, August 30th, 2026 with the flight status being Scheduled on 23:19.
How else can the flight DL3991 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3991, DL 3991, DAL 3991.
How often is flight DL3991 delayed?
On average, 0% of all DL3991 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled DL3991 flight or baggage issues?
If your DL3991 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL3991 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: UA4749, B61034, OO3991, OO4749
Other flights arriving at Seattle SEA: DL688, AS244, OO4100, OO3991
All flights connecting San Francisco SFO to Seattle SEA.
