PlainFlights

SJC vs JFK - 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
SJC

San Jose, CA

San Jose, California

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Airport B
JFK

New York, NY

New York, New York

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Key Performance Metrics

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

Metric SJC JFK
On-Time Rate (higher is better) 84.2% 79.4%
Avg Delay (lower is better) 59.8 min 82.5 min
Delay Rate (lower is better) 15.8% 20.6%
Cancellation Rate (lower is better) 0.99% 1.33%
Total Flights 546,547 1,274,816
Delayed Flights 86,586 263,153
Cancelled Flights 5,418 16,932
Top Delay Cause Late Aircraft Carrier

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

Delay Cause Breakdown

SJC - San Jose, CA

Late Aircraft 46.2%
Carrier 34.8%
NAS 16.4%
Weather 2.4%
Security 0.2%

JFK - New York, NY

Carrier 43.4%
Late Aircraft 28.3%
NAS 24.4%
Weather 3.6%
Security 0.2%

Top Routes

Top routes from SJC

Route Flights On-Time
SJC → SAN
San Diego
31,755 82.2%
SAN → SJC
San Jose
31,496 82%
LAX → SJC
San Jose
30,318 87.3%
SJC → LAX
Los Angeles
30,152 88.4%
SEA → SJC
San Jose
26,361 85%
SJC → SEA
Seattle
26,343 86.4%

Top routes from JFK

Route Flights On-Time
JFK → LAX
Los Angeles
53,628 81.3%
LAX → JFK
New York
53,619 81.8%
JFK → SFO
San Francisco
35,481 81.9%
SFO → JFK
New York
35,481 83.2%
JFK → BOS
Boston
30,732 77.6%
BOS → JFK
New York
30,700 80.3%

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.