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Airport Reliability

STS · Santa Rosa

Santa Rosa, CA (STS)

81%
Departures within 15 minutes
11 min
Average departure delay
82%
Arrivals within 15 minutes
2.3%
Departures cancelled

Based on 6,129 departures and 6,132 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from STS departing between 6–9 AM arrived on time 89% of the time, versus 70% between 6–9 PM.

Friday is doing you no favors.

Departures from STS arrived on time 85% of the time on Saturdays. On Fridays: 76%.

Trending in the right direction.

Departures from STS arrived on time 85% of the time over the last three months in the data, compared with 78% in the three months before that.

When STS gets messy

On-time by departure window
  • 6–9 AM89%(1171 flights)
  • 9 AM–12 PM82%(1187 flights)
  • 12–3 PM78%(1426 flights)
  • 3–6 PM80%(1132 flights)
  • 6–9 PM70%(1039 flights)
  • 9 PM–12 AM84%(19 flights)
On-time by weekday
  • Mon76%(914 flights)
  • Tue83%(747 flights)
  • Wed83%(756 flights)
  • Thu79%(911 flights)
  • Fri76%(912 flights)
  • Sat85%(802 flights)
  • Sun78%(932 flights)
On-time trend by month
84%
May

Jun 72% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%456
July 202573%475
August 202580%489
September 202581%480
October 202581%517
November 202578%521
December 202567%450
January 202681%421
February 202686%380
March 202687%502
April 202685%623
May 202684%660

Airlines departing STS

Busiest routes from STS

Based on 6,129 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.