WN4577Baltimore to Buffalo
Southwest Airlines flight WN4577 flies from Baltimore (BWI) to Buffalo Niagara (BUF), 453 km. Over August 2025 to July 2026 it usually arrives about 16 minutes late: 70% of 125 flights arrived within 15 minutes of schedule and 2.4% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of WN4577, August 2025 to July 2026: 125 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4577
- Baltimore (BWI) to Buffalo Niagara (BUF)33 flights
- Nashville (BNA) to Baltimore (BWI)22 flights
- Baltimore (BWI) to San Jose (SJC)18 flights
- Tampa (TPA) to Chicago Midway (MDW)15 flights
- Dallas Love Field (DAL) to Miami (MIA)8 flights
- San Francisco (SFO) to Las Vegas (LAS)8 flights
- Fort Lauderdale Hollywood (FLL) to Baltimore (BWI)5 flights
- Jackson-Medgar Wiley Evers (JAN) to Nashville (BNA)5 flights
- Sacramento (SMF) to Santa Ana (SNA)2 flights
- Santa Ana (SNA) to Sacramento (SMF)2 flights
Other flights from Baltimore to Buffalo
More about Baltimore (BWI) and Buffalo Niagara (BUF).
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