Route
BUF → CLT
Buffalo Niagara International Airport Charlotte Douglas International Airport
546 miles
Return route CLT → BUF →
How punctual is this route?
- On-time arrivals
- 79.3%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 96 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,164
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 9%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.8% | 99 |
| October 2025 | 81.0% | 121 |
| November 2025 | 85.2% | 88 |
| December 2025 | 71.6% | 90 |
| January 2026 | 67.5% | 93 |
| February 2026 | 71.8% | 87 |
| March 2026 | 81.1% | 97 |
| April 2026 | 89.0% | 91 |
| May 2026 | 79.3% | 93 |
| June 2026 | 82.0% | 89 |
| July 2026 | 76.6% | 95 |
| August 2026 | 75.8% | 121 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 1,163 | 79.3% | 1.6% | 96 min |
| Southwest Airlines | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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