PlainFlights

ROC 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
ROC

Rochester, NY

Rochester, 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 ROC ORD
On-Time Rate (higher is better) 82.0% 81.0%
Avg Delay (lower is better) 77.1 min 81.9 min
Delay Rate (lower is better) 18.0% 19.0%
Cancellation Rate (lower is better) 1.47% 1.16%
Total Flights 126,934 3,114,086
Delayed Flights 22,826 592,111
Cancelled Flights 1,866 36,132
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

ROC - Rochester, NY

Late Aircraft 37.2%
Carrier 35.0%
NAS 23.0%
Weather 4.8%
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 ROC

Route Flights On-Time
ROC → ORD
Chicago
9,546 81.5%
ORD → ROC
Rochester
9,405 81%
JFK → ROC
Rochester
8,521 78.6%
ROC → JFK
New York
8,520 83.7%
DTW → ROC
Rochester
6,509 86.6%
ROC → DTW
Detroit
6,509 88.3%

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.