Route · CLT → BUF · 2020–2025 BTS data
Charlotte to Buffalo
The CLT–BUF corridor (Charlotte, NC → Buffalo, NY) runs behind the national average, served by 15 carriers across roughly 546 miles.
Data updated 2026-06-13
- 77.9%
- On-time
- -1.1 pts
- vs US avg
- 70 min
- Delay when late
- 6,415
- Flights
Cancelled
1.6%
Best Month
Apr 2024 84%
Worst Month
May 2024 58%
Distance
546 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 33 | 2 | 0 | AA |
| Nov 2025 | 88 | 20 | 0 | 0 | AA |
| Oct 2025 | 121 | 27 | 0 | 0 | AA,WN |
| Sep 2025 | 99 | 17 | 1 | 0 | AA |
| Aug 2025 | 122 | 42 | 1 | 0 | AA |
| Jul 2025 | 122 | 41 | 5 | 0 | AA |
| Jun 2025 | 116 | 39 | 3 | 0 | AA |
| May 2025 | 93 | 18 | 0 | 0 | AA |
| Apr 2025 | 90 | 25 | 0 | 0 | AA |
| Mar 2025 | 93 | 25 | 2 | 0 | AA |
| Feb 2025 | 84 | 22 | 1 | 0 | AA,F9 |
| Jan 2025 | 93 | 15 | 3 | 0 | AA,F9 |
| Dec 2024 | 89 | 25 | 0 | 0 | AA,F9 |
| Nov 2024 | 88 | 16 | 0 | 0 | F9,AA |
| Oct 2024 | 123 | 23 | 1 | 0 | F9,AA |
| Sep 2024 | 117 | 25 | 1 | 0 | AA,F9 |
| Aug 2024 | 129 | 49 | 4 | 0 | AA,F9 |
| Jul 2024 | 136 | 55 | 3 | 0 | AA,F9 |
| Jun 2024 | 128 | 43 | 1 | 0 | AA,F9 |
| May 2024 | 99 | 42 | 1 | 0 | AA,F9,MQ |
| Apr 2024 | 90 | 14 | 0 | 0 | AA |
| Mar 2024 | 93 | 29 | 0 | 0 | AA |
| Feb 2024 | 87 | 16 | 0 | 0 | AA,OH |
| Jan 2024 | 91 | 24 | 10 | 1 | AA,OH |
Cancellation Rate
1.6%
39 of 2,481 flights
Diversion Rate
0.0%
1 of 2,481 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CLT - Charlotte
Full on-time, delay-cause, and seasonal performance for Charlotte, NC.
Origin airport →BUF - Buffalo
Full on-time, delay-cause, and seasonal performance for Buffalo, NY.
Destination airport →Compare the two airports
See CLT and BUF side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to CLT–BUF.
Routes with a similar on-time rate
What the Data Says About CLT to BUF
The Charlotte to Buffalo corridor (CLT to BUF) posts a 77.9% on-time rate on the lower edge of the average band, based on 6,415 tracked flights. Late flights run 70.1 minutes behind on average. 15 carriers cover the 546-mile route; over the last 24 months, 39 of 2,481 flights were cancelled (1.6%) and 0.0% diverted.
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 84% on-time, while May 2024 came in at just 58% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.