Buffalo (BUF) to Baltimore (BWI): On-Time Performance
Data through May 2026
When you fly BUF to BWI matters as much as anything else about the booking: the route swung from 97% on-time in October 2024 to just 75% in July 2024. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (93% vs 68%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 4.7
- last 12 months
- Duration
- 1h 15m
- scheduled
- Distance
- 281 mi
Monthly on-time trend
Best time to fly from BUF to BWI
Aim for departures around 7 a.m. (95% on-time); avoid 7 p.m. departures (48%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 9 min |
| Tuesdaybest | 91% | 8 min |
| Wednesday | 90% | 6 min |
| Thursday | 84% | 11 min |
| Friday | 85% | 9 min |
| Saturday | 88% | 10 min |
| Sunday | 85% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft47%
- Airline operations28%
- National airspace system24%
- Weather1%
Frequently asked questions
- How often are flights from BUF to BWI delayed?
- 13% of BUF–BWI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 9 minutes.
- What is the best time of day to fly from BUF to BWI?
- Departures around 7 a.m. have the best record (95% on-time), while departures around 7 p.m. have the worst (48%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to BWI?
- The scheduled BUF–BWI flight time averages 1h 15m over 281 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are BUF to BWI flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BUF to BWI?
- July 2024 was the roughest month in this dataset, with only 75% of arrivals on time. The best was October 2024 at 97%. If your dates are flexible, that 22-point gap is worth planning around.
Explore related pages
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Based on 3,391 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.