Route
CLT → BUF
Charlotte Douglas International Airport Buffalo Niagara International Airport
How punctual is this route?
- On-time arrivals
- 73.5%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,164
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 9%
- Extreme weather 5%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.7% | 99 |
| October 2025 | 77.7% | 121 |
| November 2025 | 77.3% | 88 |
| December 2025 | 62.5% | 90 |
| January 2026 | 69.5% | 93 |
| February 2026 | 69.8% | 87 |
| March 2026 | 77.9% | 97 |
| April 2026 | 75.8% | 91 |
| May 2026 | 71.0% | 93 |
| June 2026 | 70.8% | 89 |
| July 2026 | 71.3% | 95 |
| August 2026 | 72.7% | 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 | 73.4% | 1.5% | 71 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.
-
AA1203
15% late · 221 flights
-
AA703
29% late · 205 flights
-
AA2301
38% late · 143 flights
-
AA2429
36% late · 116 flights
-
AA1486
33% late · 89 flights
-
AA1616
12% late · 76 flights
-
AA1614
41% late · 75 flights
-
AA2442
8% late · 62 flights
-
AA1915
14% late · 44 flights
-
AA1919
23% late · 44 flights
-
AA1885
34% late · 37 flights
-
AA2076
40% late · 25 flights
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