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STS vs PHX - 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
STS

Santa Rosa, CA

Santa Rosa, California

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Airport B
PHX

Phoenix, AZ

Phoenix, Arizona

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Key Performance Metrics

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

Metric STS PHX
On-Time Rate (higher is better) 83.3% 81.7%
Avg Delay (lower is better) 70.1 min 71.3 min
Delay Rate (lower is better) 16.7% 18.3%
Cancellation Rate (lower is better) 0.80% 0.77%
Total Flights 43,075 2,030,209
Delayed Flights 7,178 372,174
Cancelled Flights 344 15,535
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

STS - Santa Rosa, CA

Late Aircraft 51.4%
Carrier 26.3%
NAS 13.3%
Weather 8.8%
Security 0.2%

PHX - Phoenix, AZ

Late Aircraft 44.7%
Carrier 39.1%
NAS 13.7%
Weather 2.3%
Security 0.2%

Top Routes

Top routes from STS

Route Flights On-Time
STS → LAX
Los Angeles
3,457 83.8%
LAX → STS
Santa Rosa
3,375 84%
SAN → STS
Santa Rosa
3,245 80.9%
STS → SAN
San Diego
3,163 77.9%
SEA → STS
Santa Rosa
2,915 81.3%
STS → SEA
Seattle
2,915 80.1%

Top routes from PHX

Route Flights On-Time
PHX → DEN
Denver
49,558 80.7%
DEN → PHX
Phoenix
49,508 77.8%
LAX → PHX
Phoenix
40,246 83.7%
PHX → LAX
Los Angeles
40,241 85%
PHX → SEA
Seattle
38,561 84.3%
SEA → PHX
Phoenix
38,549 82.3%

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.