PlainFlights

CLT vs BUF - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
CLT

Charlotte, NC

Charlotte, North Carolina

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Airport B
BUF

Buffalo, NY

Buffalo, New York

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric CLT BUF
On-Time Rate (higher is better) 82.0% 80.6%
Avg Delay (lower is better) 81.1 min 75.7 min
Delay Rate (lower is better) 18.0% 19.4%
Cancellation Rate (lower is better) 1.10% 1.75%
Total Flights 2,345,248 221,909
Delayed Flights 421,203 42,968
Cancelled Flights 25,904 3,878
Top Delay Cause Late Aircraft Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

CLT - Charlotte, NC

Late Aircraft 44.3%
Carrier 31.4%
NAS 16.4%
Weather 7.6%
Security 0.4%

BUF - Buffalo, NY

Late Aircraft 42.0%
Carrier 30.5%
NAS 22.9%
Weather 4.5%
Security 0.1%

Top Routes

Top routes from CLT

Route Flights On-Time
CLT → ATL
Atlanta
29,653 84.4%
ATL → CLT
Charlotte
29,651 84.6%
CLT → LGA
New York
28,574 77.9%
LGA → CLT
Charlotte
28,570 84%
CLT → MCO
Orlando
27,975 75.4%
MCO → CLT
Charlotte
27,972 79.5%

Top routes from BUF

Route Flights On-Time
JFK → BUF
Buffalo
13,155 78.5%
BUF → JFK
New York
13,149 82.1%
BUF → ORD
Chicago
9,831 81.5%
ORD → BUF
Buffalo
9,803 79%
BUF → BWI
Baltimore
9,345 87.7%
BWI → BUF
Buffalo
9,340 74.6%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.