PlainFlights

SJC vs SNA - 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
SNA

Santa Ana, CA

Santa Ana, California

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Key Performance Metrics

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

Metric SJC SNA
On-Time Rate (higher is better) 84.2% 82.5%
Avg Delay (lower is better) 59.8 min 65.2 min
Delay Rate (lower is better) 15.8% 17.5%
Cancellation Rate (lower is better) 0.99% 1.05%
Total Flights 546,547 482,186
Delayed Flights 86,586 84,472
Cancelled Flights 5,418 5,040
Top Delay Cause Late Aircraft Late Aircraft

✓ / ▲ 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%

SNA - Santa Ana, CA

Late Aircraft 44.5%
Carrier 32.3%
NAS 19.9%
Weather 3.1%
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 SNA

Route Flights On-Time
SNA → PHX
Phoenix
23,628 83.2%
PHX → SNA
Santa Ana
23,622 83.1%
SNA → LAS
Las Vegas
23,140 79.7%
LAS → SNA
Santa Ana
23,131 79.3%
SNA → SFO
San Francisco
22,074 81%
SFO → SNA
Santa Ana
22,048 84.4%

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.