According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Santa Rosa, CA (STS) ranks #162 of 382 tracked US airports by total flights (most flights = #1). Santa Rosa, CA posts below-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
Compare STS to another hub, filter routes, or browse airline stats without leaving this profile.
STS on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Delay Cause Breakdown
Top delay cause: Late Aircraft.
Total delay minutes: 261,508.
Late Aircraft51.4% (134,376 min)
Carrier26.3% (68,857 min)
NAS (National Aviation System)13.3% (34,779 min)
Weather8.8% (23,089 min)
Security0.2% (407 min)
STS - seasonal on-time pattern
Best: February (93.4%) · worst: December (88.1%)
STS - on-time rate by year
2020–2025, year-over-year trend.
STS - taxi-out and taxi-in (monthly)
Average taxi-out 17.1 min · taxi-in 7.4 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
STS's average taxi-out (17.1 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 15.7 min (April 2024) to 18.9 min (November 2025).
Two PlainFlights-derived comparison paths for Santa Rosa, CA, both outside California so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Santa Rosa, CA is the delay mix: Late Aircraft owns 51.4% of 261,508 delay minutes across 43,075 BTS flights. The on-time headline is 83.3% (4.3 pts above the 79% national average), with 7,178 delayed and 344 cancelled (0.80%).
Delay minutes concentrate in Late Aircraft (51.4% late-aircraft, 26.3% carrier, 13.3% NAS, 8.8% weather, 0.2% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, STS is strongest in February (93.4% on-time) and weakest in December (88.1%), a 5.3-point swing. Volume peaks in September (~725 flights/month). The busiest connecting route is to LAX (Los Angeles) at 83.8% on-time. Field definitions: on-time performance explained.
Santa Rosa, CA vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
83.3%Top 51%higher than 49% of 382 airports
Santa Rosa, CA
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
STS's on-time book is mid-pack; month and delay-cause mix move more than the headline rate.
Check the busiest route from STS before you book a connection. See top routes →
Travel in February rather than December if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 17.1 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Santa Rosa, CA's on-time rate?
Santa Rosa, CA (STS) has a 83.3% on-time rate across 43,075 BTS-tracked flights (2020-2025), 4.3 pts above the 79% national flight-weighted average; that places it in roughly the below-median on-time performance.
How does STS rank among U.S. airports by traffic volume?
Santa Rosa, CA ranks #162 of 382 tracked US airports by total BTS flights (most flights = #1), making it a mid-size U.S. airport.
What's the most common cause of delays at Santa Rosa, CA?
Late Aircraft is the leading delay cause at STS, accounting for 51.4% of delay minutes. The full breakdown: 51.4% late-aircraft, 26.3% carrier, 13.3% NAS/air-traffic-control, 8.8% weather, and 0.2% security.
When is the best time to fly through Santa Rosa, CA?
February is historically STS's strongest month at 93.4% on-time, while December is the weakest at 88.1%, a 5.3-point swing across the BTS historical record.
Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights