PlainFlights

PDX vs STS - 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
PDX

Portland, OR

Portland, Oregon

View full profile →
Airport B
STS

Santa Rosa, CA

Santa Rosa, California

View full profile →

Key Performance Metrics

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

Metric PDX STS
On-Time Rate (higher is better) 84.4% 83.3%
Avg Delay (lower is better) 66.7 min 70.1 min
Delay Rate (lower is better) 15.6% 16.7%
Cancellation Rate (lower is better) 0.83% 0.80%
Total Flights 661,488 43,075
Delayed Flights 103,008 7,178
Cancelled Flights 5,511 344
Top Delay Cause Carrier Late Aircraft

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

Delay Cause Breakdown

PDX - Portland, OR

Carrier 38.4%
Late Aircraft 36.9%
NAS 20.2%
Weather 4.3%
Security 0.2%

STS - Santa Rosa, CA

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

Top Routes

Top routes from PDX

Route Flights On-Time
PDX → SEA
Seattle
36,148 87.7%
SEA → PDX
Portland
35,578 83.7%
LAX → PDX
Portland
25,109 86.5%
PDX → LAX
Los Angeles
24,956 87.7%
PDX → DEN
Denver
23,123 84.1%
DEN → PDX
Portland
23,121 77.1%

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%

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.