| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 19 | BUF | MDW | 17:08 | 17:24 |
Landed
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| Sep 12 | BUF | MDW | 16:55 | 17:09 |
Landed
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| Sep 05 | BUF | MDW | 17:06 | 17:23 |
Landed
|
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| Aug 29 | BUF | MDW | 16:50 | 17:07 |
Landed
|
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| Aug 22 | BUF | MDW | 17:03 | 17:18 |
Landed
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| Aug 15 | BUF | MDW | 17:02 | 17:15 |
Landed
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| Aug 08 | BUF | MDW | 17:02 | 17:18 |
Landed
|
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Southwest Airlines Flight WN3991 connects Buffalo, United States to Chicago, United States, taking off from Buffalo Niagara International Airport BUF and landing at Chicago Midway International Airport MDW.
How long is the WN3991 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 15 minutes. The flight distance is 752 km / 467 miles and the average flight speed is 598 km/h / 372 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3991 Buffalo to Chicago?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3991 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3991 flight?
The latest flight took off on Saturday, September 19th, 2026 with the flight status being Landed on 17:24.
How else can the flight WN3991 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3991, WN 3991, SWA 3991.
How often is flight WN3991 delayed?
On average, 57% of all WN3991 flights are delayed. The average delay is 5 minutes.
Can I get compensation for my delayed or cancelled WN3991 flight or baggage issues?
If your WN3991 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 WN3991 Flight Tracker above for more details.
Other flights departing from Buffalo BUF: 9E5296, AA1724, DL1749, AA2442
Other flights arriving at Chicago MDW: WN1339, WN2751, WN4537, WN4370
All flights connecting Buffalo BUF to Chicago MDW.