BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SNA→STS

Santa Ana, CA (SNA) to Santa Rosa, CA (STS) flight delay odds

77.9% of 746 official scheduled SNA-to-STS flights arrived on time; 15.1% arrived at least 30 minutes late and 0.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.9%arrived on time
15.1%30+ min late
0.7%cancelled
746scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.3%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+3.8 mincompleted flights

Which departure time was most reliable for SNA to STS?

Among qualifying SNA-to-STS departure window results, Late morning had the highest on-time rate: 83.3% of 239 flights. Afternoon was lowest at 74.3% across 269 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning23983.3%10.5%0.4%
Afternoon26974.3%19.7%0.4%
Evening23876.5%14.7%1.3%

Which weekday was most reliable for SNA to STS?

Among qualifying SNA-to-STS weekday results, Saturday had the highest on-time rate: 81.2% of 101 flights. Friday was lowest at 69.4% across 111 flights.

DayFlightsOn time30+ minCancelled
Monday11181.1%16.2%0.0%
Tuesday10379.6%15.5%1.9%
Wednesday10079.0%16.0%0.0%
Thursday10978.0%12.8%0.9%
Friday11169.4%17.1%0.9%
Saturday10181.2%12.9%1.0%
Sunday11177.5%15.3%0.0%

Which airline was most reliable for SNA to STS?

Only SkyWest Airlines met the SNA-to-STS airline threshold: 77.9% of 746 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines74677.9%15.1%0.7%

Which month was most reliable for SNA to STS?

Among qualifying SNA-to-STS month results, January 2026 had the highest on-time rate: 89.5% of 57 flights. July 2025 was lowest at 53.2% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256253.2%35.5%0.0%
August 20256282.3%12.9%1.6%
September 20256076.7%16.7%0.0%
October 20256283.9%8.1%0.0%
November 20256979.7%14.5%1.4%
December 20259372.0%18.3%1.1%
January 20265789.5%10.5%0.0%
February 20264488.6%6.8%0.0%
March 20265585.5%9.1%0.0%
April 20266075.0%16.7%0.0%
May 20266277.4%16.1%3.2%
June 20266078.3%11.7%0.0%

What drove SNA to STS delay minutes?

Late aircraft was the largest recorded SNA-to-STS delay category, accounting for 47.5% of 10,585 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.1%
Late aircraft47.5%
National airspace19.8%
Weather7.6%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.