Buffalo (BUF) to Charlotte (CLT): On-Time Performance
Data through July 2026
When you fly BUF to CLT matters as much as anything else about the booking: the route swung from 90% on-time in October 2024 to just 57% in July 2024. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 65%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 3.2
- last 12 months
- Duration
- 1h 59m
- scheduled
- Distance
- 546 mi
Best airline from BUF to CLT
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 78% | 22 min | 1.7% | 2,475 |
| Frontier Airlines | 64% | 20 min | 6.5% | 62 |
Monthly on-time trend
Best time to fly from BUF to CLT
Aim for departures around 10 a.m. (92% on-time); avoid 7 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 31 min |
| Tuesday | 82% | 19 min |
| Wednesdaybest | 84% | 14 min |
| Thursday | 74% | 23 min |
| Friday | 80% | 16 min |
| Saturday | 78% | 18 min |
| Sunday | 74% | 34 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft44%
- Airline operations35%
- National airspace system13%
- Weather7%
Frequently asked questions
- How often are flights from BUF to CLT delayed?
- 22% of BUF–CLT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from BUF to CLT?
- American Airlines has the best on-time record on this route at 78%, based on 2,475 flights. 2 airlines flew BUF–CLT frequently enough to compare in this period.
- What is the best time of day to fly from BUF to CLT?
- Departures around 10 a.m. have the best record (92% on-time), while departures around 7 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to CLT?
- The scheduled BUF–CLT flight time averages 1h 59m over 546 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are BUF to CLT flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from BUF to CLT?
- July 2024 was the roughest month in this dataset, with only 57% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 2,538 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.