| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 01 | SAN | SFO | 20:34 | 21:43 |
Delayed
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| Sep 30 | SAN | SFO | 19:24 | 20:37 |
Landed
|
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| Sep 29 | SAN | SFO | 23:06 | 00:13 |
Delayed
|
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| Sep 26 | SAN | SFO | 22:47 | 23:51 |
Delayed
|
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| Sep 25 | SAN | SFO | 21:53 | 22:59 |
Landed Late
|
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| Sep 24 | SAN | SFO | 19:29 | 20:32 |
Landed
|
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| Sep 23 | SAN | SFO | 19:34 | 20:37 |
Landed
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| Sep 22 | SAN | SFO | 21:28 | 22:29 |
Landed
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| Sep 19 | SAN | SFO | 21:20 | 22:26 |
Landed
|
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| Sep 18 | SAN | SFO | 23:09 | 22:25 |
Unknown
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Southwest Airlines Flight WN1721 connects San Diego, United States to San Francisco, United States, taking off from San Diego International Airport SAN and landing at San Francisco International Airport SFO.
How long is the WN1721 flight from San Diego to San Francisco?
The average flight time from San Diego to San Francisco is 1 hour and 5 minutes. The flight distance is 719 km / 447 miles and the average flight speed is 637 km/h / 396 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1721 San Diego to San Francisco?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1721 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1721 arriving at?
Flight WN1721 arrives at San Francisco International Airport (SFO) Terminal 2.
When was the latest WN1721 flight?
The latest flight took off on Thursday, October 2nd, 2025 with the flight status being En-Route on 21:43.
How else can the flight WN1721 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1721, WN 1721, SWA 1721.
How often is flight WN1721 delayed?
On average, 80% of all WN1721 flights are delayed. The average delay is 38 minutes.
Can I get compensation for my delayed or cancelled WN1721 flight or baggage issues?
If your WN1721 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 WN1721 Flight Tracker above for more details.
Other flights departing from San Diego SAN: AS3484, AS2151, AS3383, WN2628
Other flights arriving at San Francisco SFO: AS1318, WN2255, AA4904, AS3326
All flights connecting San Diego SAN to San Francisco SFO.
