PlainFlights

Route · BUF → CLT · 2020–2025 BTS data

Buffalo to Charlotte

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BUF to CLT (Buffalo to Charlotte) ranks #1945 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.5%
On-time
+2.5 pts
vs US avg
105 min
Delay when late
6,416
Flights
#1945 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Oct 2024 90%

Worst Month

Jul 2024 58%

Distance

546 mi

Carriers

15

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 90 25 2 0 AA
Nov 2025 88 13 0 0 AA
Oct 2025 121 23 0 0 AA,WN
Sep 2025 99 11 1 0 AA
Aug 2025 122 33 1 1 AA
Jul 2025 122 28 5 0 AA
Jun 2025 116 26 3 0 AA
May 2025 93 16 0 0 AA
Apr 2025 90 11 1 0 AA
Mar 2025 93 22 2 1 AA
Feb 2025 84 25 2 0 AA,F9
Jan 2025 93 16 5 0 AA,F9
Dec 2024 89 29 0 0 AA,F9
Nov 2024 88 9 0 0 F9,AA
Oct 2024 123 12 1 0 F9,AA
Sep 2024 117 17 0 0 AA,F9
Aug 2024 129 48 4 0 AA,F9
Jul 2024 136 57 3 0 AA,F9
Jun 2024 128 31 1 0 AA,F9
May 2024 99 36 0 0 AA,F9,MQ
Apr 2024 90 12 0 1 AA
Mar 2024 93 19 0 0 AA
Feb 2024 87 12 0 0 AA,OH
Jan 2024 92 26 11 0 AA,OH

BUF–CLT seasonal on-time pattern

Best: April (87.1%) · weakest: July (71.2%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.6%

Strongest calendar month

April

87.1% on-time · ~86 flights/mo

Busiest calendar month

July

~97 flights/mo avg

Weakest calendar month

July

71.2% on-time · ~97 flights/mo

Cancellation Rate

1.7%

42 of 2,482 flights

Diversion Rate

0.1%

3 of 2,482 flights

Origin-hub reliability standing

Mid-pack among BUF departures

From BUF, this corridor sits with 12 other 75–85% on-time routes out of 19 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: Charlotte · fleet on-time rank #2536 of 4927.

What the Data Says About BUF to CLT

6,416 tracked flights put the BUF to CLT pairing (Buffalo to Charlotte) at a 81.5% on-time rate, squarely in line with the wider network. Delays that do occur run 105.1 minutes on average. Across the 546-mile route and its 15 carriers, the trailing 24 months show 1.7% cancelled and 0.1% diverted (2,482 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 58% - a 32-point swing worth factoring into travel timing.

On the multi-year calendar, BUF–CLT peaks in April at 87.1% on-time while July carries the heaviest traffic (~97 flights per month) ; the softest month is July at 71.2%, a 15.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BUF to CLT rank among US routes by traffic?
According to PlainFlights' route traffic ranking, BUF to CLT ranks #1945 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from BUF to CLT?
Flights from Buffalo to Charlotte have a 81.5% on-time rate based on 6,416 flights. The average delay is 105.1 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for BUF to CLT?
Over the last 24 months, 1.7% of flights on this route were cancelled (42 of 2,482 flights) and 0.1% were diverted.
How far is the flight from BUF to CLT?
The flight distance from Buffalo (BUF) to Charlotte (CLT) is approximately 546 miles. This route is served by 15 carriers.
When is the best time to fly from BUF to CLT?
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was Jul 2024 (58% on-time). Consider booking during months with historically better performance.

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.

Using BUF–CLT data

BUF–CLT is mid-pack at 81.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare BUF and CLT airport profiles: delay causes and top routes differ even on the same corridor. BUF airport
  • If your dates flex, April (87.1% on-time) beats July (71.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.5% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.