| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 01 | SFO | BWI | 21:23 | 04:57 |
Landed
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| Sep 30 | SFO | BWI | 22:10 | 05:42 |
Landed Late
|
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| Sep 29 | SFO | BWI | 21:50 | 05:27 |
Landed
|
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| Sep 28 | SFO | BWI | 21:25 | 05:18 |
Landed
|
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| Sep 27 | SFO | BWI | 22:32 | 06:31 |
Delayed
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| Sep 26 | SFO | BWI | 22:28 | 06:29 |
Delayed
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| Sep 25 | SFO | BWI | 22:28 | 06:23 |
Delayed
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| Sep 24 | SFO | BWI | 21:22 | 05:13 |
Landed
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| Sep 23 | SFO | BWI | 21:23 | 05:10 |
Landed
|
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| Sep 22 | SFO | BWI | 21:28 | 05:17 |
Landed
|
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Southwest Airlines Flight WN4271 connects San Francisco, United States to Baltimore, United States, taking off from San Francisco International Airport SFO and landing at Baltimore Washington International Airport BWI.
How long is the WN4271 flight from San Francisco to Baltimore?
The average flight time from San Francisco to Baltimore is 4 hours and 47 minutes. The flight distance is 3944 km / 2451 miles and the average flight speed is 823 km/h / 512 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4271 San Francisco to Baltimore?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4271 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4271 arriving at?
Flight WN4271 arrives at Baltimore Washington International Airport (BWI) Terminal 1.
When was the latest WN4271 flight?
The latest flight took off on Thursday, October 2nd, 2025 with the flight status being Landed on 04:57.
How else can the flight WN4271 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4271, WN 4271, SWA 4271.
How often is flight WN4271 delayed?
On average, 70% of all WN4271 flights are delayed. The average delay is 37 minutes.
Can I get compensation for my delayed or cancelled WN4271 flight or baggage issues?
If your WN4271 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 WN4271 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: WN2649, WN2084, AS922, AA3166
Other flights arriving at Baltimore BWI: WN4182, WN4250, NK1771, AA3174
All flights connecting San Francisco SFO to Baltimore BWI.
