Buffalo (BUF) to Baltimore (BWI) flights
Southwest Airlines flies nonstop from Buffalo Niagara International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 34 flights a week in July 2026. The 281-mile flight takes about 1h 7m gate to gate.
- Distance
- 281 mi · 452 km
- Flight time
- 1h 7m
- Airlines
- 1
- Seats filled
- 79%
Airlines flying BUF to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 34 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 212,665 | 1h 7m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BUF to BWI flight schedule
7 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 5:40am and the last at 3:55pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 756Southwest Airlines | 5:40am | 6:50am | 31 | 94% |
| WN 3374Southwest Airlines | 8:55am | 10:05am | 11 | 91% |
| WN 1343Southwest Airlines | 9:40am | 10:50am | 12 | 100% |
| WN 1582Southwest Airlines | 9:40am | 10:50am | 4 | n/a |
| WN 1156Southwest Airlines | 11:25am | 12:40pm | 27 | 89% |
| WN 758Southwest Airlines | 3:00pm | 4:20pm | 18 | 91% |
| WN 4217Southwest Airlines | 3:55pm | 5:10pm | 12 | 70% |
Is BUF to BWI on time?
From September 2025 to August 2026, 87% of 1,728 flights arrived within 15 minutes of schedule and 1.5% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 5pm the least (69%). Most delay time was caused by late-arriving aircraft (47%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,728 | 87% | 8 min | 1.5% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 196 | 95% | |
| 6am to 7am | 167 | 95% | |
| 7am to 8am | 64 | 95% | |
| 8am to 9am | 149 | 89% | |
| 9am to 10am | 161 | 95% | |
| 10am to 11am | 61 | 92% | |
| 11am to 12pm | 143 | 87% | |
| 12pm to 1pm | 185 | 87% | |
| 1pm to 2pm | 54 | 93% | |
| 2pm to 3pm | 90 | 81% | |
| 3pm to 4pm | 143 | 81% | |
| 4pm to 5pm | 136 | 81% | |
| 5pm to 6pm | 141 | 69% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 147 | 20,332 | |
| September 2025 | 147 | 18,186 | |
| October 2025 | 149 | 19,824 | |
| November 2025 | 144 | 16,494 | |
| December 2025 | 146 | 16,004 | |
| January 2026 | 123 | 14,157 | |
| February 2026 | 126 | 13,584 | |
| March 2026 | 142 | 18,050 | |
| April 2026 | 148 | 17,710 | |
| May 2026 | 153 | 19,069 | |
| June 2026 | 148 | 18,125 | |
| July 2026 | 151 | 21,130 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.