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WN 4557 Baltimore to Buffalo Flight Status

Southwest Airlines Flight WN4557 from Baltimore Washington International Airport BWI to Buffalo Niagara International Airport BUF is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 2nd, 2025.
Check the table below for WN4557's most recent flight history:

WN 4557 Flight Status & Schedule

Date Departure Arrival Status
Jun 02 09:40 10:29
Landed
Track >

Southwest Airlines WN 4557 Baltimore to Buffalo Flight Information

Southwest Airlines Flight WN4557 connects Baltimore, United States to Buffalo, United States, taking off from Baltimore Washington International Airport BWI and landing at Buffalo Niagara International Airport BUF.

How long is the WN4557 flight from Baltimore to Buffalo?

The average flight time from Baltimore to Buffalo is 49 minutes. The flight distance is 453 km / 281 miles and the average flight speed is 555 km/h / 345 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4557 Baltimore to Buffalo?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4557 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4557 flight?

The latest flight took off on Monday, June 2nd, 2025 with the flight status being Landed on 10:29.

How else can the flight WN4557 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4557, WN 4557, SWA 4557.

How often is flight WN4557 delayed?

On average, 0% of all WN4557 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4557 flight or baggage issues?

If your WN4557 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 WN4557 Flight Tracker above for more details.

WN4557 and Baltimore BWI to Buffalo BUF Flights

This is a multi leg flight of Southwest Airlines WN4557. Next leg is Buffalo to Orlando

Other flights departing from Baltimore BWI: WN1324, WN2793, WN1928, WN1361

Other flights arriving at Buffalo BUF: WN2225, DL5637, B61886, AA4008

All flights connecting Baltimore BWI to Buffalo BUF.

WN4557 Southwest Airlines Flight: Baltimore to Buffalo Route Map

WN4557 Southwest Airlines Flight Map: Baltimore to Buffalo
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.