PlainFlights

BUF vs ATL - 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
BUF

Buffalo, NY

Buffalo, New York

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Airport B
ATL

Atlanta, GA

Atlanta, Georgia

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Key Performance Metrics

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

Metric BUF ATL
On-Time Rate (higher is better) 80.6% 83.7%
Avg Delay (lower is better) 75.7 min 72.9 min
Delay Rate (lower is better) 19.4% 16.3%
Cancellation Rate (lower is better) 1.75% 0.79%
Total Flights 221,909 3,758,561
Delayed Flights 42,968 613,025
Cancelled Flights 3,878 29,771
Top Delay Cause Late Aircraft Carrier

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

Delay Cause Breakdown

BUF - Buffalo, NY

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

ATL - Atlanta, GA

Carrier 46.8%
Late Aircraft 27.2%
NAS 19.4%
Weather 6.4%
Security 0.2%

Top Routes

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%

Top routes from ATL

Route Flights On-Time
MCO → ATL
Atlanta
47,291 78.1%
ATL → MCO
Orlando
47,234 76.2%
FLL → ATL
Atlanta
42,458 77.5%
ATL → FLL
Fort Lauderdale
42,441 77.2%
ATL → LGA
New York
42,079 80.8%
LGA → ATL
Atlanta
42,078 82.2%

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.