| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | SFO | BWI | 22:14 | 05:44 |
Landed
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| Apr 05 | SFO | BWI | 21:32 | 05:01 |
Landed
|
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| Apr 04 | SFO | BWI | 21:38 | 05:06 |
Landed
|
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| Apr 03 | SFO | BWI | 21:50 | 05:32 |
Landed
|
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| Apr 02 | SFO | BWI | 22:16 | 05:42 |
Landed
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| Apr 01 | SFO | BWI | 22:03 | 05:32 |
Landed
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| Mar 31 | SFO | BWI | 21:48 | 05:35 |
Landed
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| Mar 30 | SFO | BWI | 21:54 | 05:34 |
Landed
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| Mar 29 | SFO | BWI | 21:38 | 05:12 |
Landed
|
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| Mar 28 | SFO | BWI | 21:46 | 05:16 |
Landed
|
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Southwest Airlines Flight WN4427 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 WN4427 flight from San Francisco to Baltimore?
The average flight time from San Francisco to Baltimore is 4 hours and 33 minutes. The flight distance is 3944 km / 2451 miles and the average flight speed is 866 km/h / 538 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4427 San Francisco to Baltimore?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4427 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4427 flight?
The latest flight took off on Tuesday, April 7th, 2026 with the flight status being Landed on 05:44.
How else can the flight WN4427 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4427, WN 4427, SWA 4427.
How often is flight WN4427 delayed?
On average, 60% of all WN4427 flights are delayed. The average delay is 6 minutes.
Can I get compensation for my delayed or cancelled WN4427 flight or baggage issues?
If your WN4427 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 WN4427 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: WN4434, UA1702, AS2062, WN4425
Other flights arriving at Baltimore BWI: WN4128, WN3245, WN2476, WN4466
All flights connecting San Francisco SFO to Baltimore BWI.