| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | SFO | SEA | 22:18 | 20:50 |
Unknown
|
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| Jan 03 | SFO | SEA | 21:09 | 22:45 |
Delayed
|
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| Jan 02 | SFO | SEA | 20:58 | 22:32 |
Delayed
|
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| Dec 30 | SFO | SEA | 18:56 | 20:35 |
Landed
|
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| Dec 29 | SFO | SEA | 18:34 | 20:11 |
Landed
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| Dec 28 | SFO | SEA | 18:40 | 20:23 |
Landed
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| Dec 27 | SFO | SEA | 18:41 | 20:34 |
Landed
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| Dec 26 | SFO | SEA | 19:18 | 21:05 |
Landed Late
|
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| Dec 23 | SFO | SEA | 19:12 | 20:40 |
Landed
|
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| Dec 22 | SFO | SEA | 19:16 | 20:49 |
Landed
|
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Delta Air Lines Flight DL3720 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 DL3720 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 647 km/h / 402 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3720 San Francisco to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3720 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL3720 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Unknown on 20:50.
How else can the flight DL3720 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3720, DL 3720, DAL 3720.
How often is flight DL3720 delayed?
On average, 30% of all DL3720 flights are delayed. The average delay is 77 minutes.
Can I get compensation for my delayed or cancelled DL3720 flight or baggage issues?
If your DL3720 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 DL3720 Flight Tracker above for more details.
Flight DL3720 is code-shared by 2 airlines using the flight numbers SK3470, VS1906
Other flights departing from San Francisco SFO: UA4628, UA1958, UA424, AA2664
Other flights arriving at Seattle SEA: DL675, AS337, DL3834, DL3840
All flights connecting San Francisco SFO to Seattle SEA.
