PlainFlights

BUF vs ORD - 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
ORD

Chicago, IL

Chicago, Illinois

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Key Performance Metrics

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

Metric BUF ORD
On-Time Rate (higher is better) 80.6% 81.0%
Avg Delay (lower is better) 75.7 min 81.9 min
Delay Rate (lower is better) 19.4% 19.0%
Cancellation Rate (lower is better) 1.75% 1.16%
Total Flights 221,909 3,114,086
Delayed Flights 42,968 592,111
Cancelled Flights 3,878 36,132
Top Delay Cause Late Aircraft Late Aircraft

✓ / ▲ 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%

ORD - Chicago, IL

Late Aircraft 39.2%
Carrier 33.6%
NAS 19.5%
Weather 7.7%
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 ORD

Route Flights On-Time
ORD → LGA
New York
56,539 78.2%
LGA → ORD
Chicago
56,521 80.8%
ORD → LAX
Los Angeles
37,020 79.8%
LAX → ORD
Chicago
36,987 84.3%
ORD → DEN
Denver
35,971 79.3%
DEN → ORD
Chicago
35,925 76.8%

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.