Route · CLT → BUF · 2020–2025 BTS data
Charlotte to Buffalo
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CLT to BUF (Charlotte to Buffalo) ranks #1946 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 77.9%
- On-time
- -1.1 pts
- vs US avg
- 70 min
- Delay when late
- 6,415
- Flights
- #1946 of 4927
- Corpus placement
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 |
CLT–BUF seasonal on-time pattern
Best: January (83.8%) · weakest: July (65.8%)
Strongest calendar month
January
83.8% on-time · ~89 flights/mo
Busiest calendar month
July
~97 flights/mo avg
Weakest calendar month
July
65.8% on-time · ~97 flights/mo
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.
CLT on-time profileBUF - Buffalo
Full on-time, delay-cause, and seasonal performance for Buffalo, NY.
BUF on-time profileCompare the two airports
See CLT and BUF side by side on delays, cancellations, and reliability.
Compare CLT vs BUFOrigin-hub reliability standing
Mid-pack among CLT departures
From CLT, this corridor sits with 116 other 75–85% on-time routes out of 129 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 8 below 75%). Destination: Buffalo · fleet on-time rank #3857 of 4927.
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.
On the multi-year calendar, CLT–BUF peaks in January at 83.8% on-time while July carries the heaviest traffic (~97 flights per month) ; the softest month is July at 65.8%, a 18.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CLT to BUF rank among US routes by traffic? ▼
How often are flights delayed from CLT to BUF? ▼
What is the cancellation rate for CLT to BUF? ▼
How far is the flight from CLT to BUF? ▼
When is the best time to fly from CLT to BUF? ▼
Airports on this route
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.
Using CLT–BUF data
CLT–BUF is mid-pack at 77.9% on-time; month and carrier mix move more than the corridor headline.
- Compare CLT and BUF airport profiles: delay causes and top routes differ even on the same corridor. CLT airport
- If your dates flex, January (83.8% on-time) beats July (65.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 77.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.