PlainFlights

BUF vs BOS - 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
BOS

Boston, MA

Boston, Massachusetts

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Key Performance Metrics

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

Metric BUF BOS
On-Time Rate (higher is better) 80.6% 79.9%
Avg Delay (lower is better) 75.7 min 78.3 min
Delay Rate (lower is better) 19.4% 20.1%
Cancellation Rate (lower is better) 1.75% 1.19%
Total Flights 221,909 1,455,478
Delayed Flights 42,968 292,211
Cancelled Flights 3,878 17,391
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%

BOS - Boston, MA

Carrier 37.1%
Late Aircraft 34.4%
NAS 25.0%
Weather 3.4%
Security 0.1%

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 BOS

Route Flights On-Time
BOS → DCA
Washington
49,205 81.6%
DCA → BOS
Boston
49,133 80.5%
LGA → BOS
Boston
39,006 82.4%
BOS → LGA
New York
38,931 83.4%
BOS → ORD
Chicago
35,774 82.1%
ORD → BOS
Boston
35,759 78.5%

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.