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

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

77.9% of 746 official scheduled STS-to-SNA flights arrived on time; 14.3% arrived at least 30 minutes late and 0.8% 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
14.3%30+ min late
0.8%cancelled
746scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.4%all scheduled flights
120+ minutes late4.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+10.2 mincompleted flights

Which departure time was most reliable for STS to SNA?

Among qualifying STS-to-SNA departure window results, Evening had the highest on-time rate: 87.3% of 55 flights. Late morning was lowest at 76.2% across 344 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning34476.2%14.8%1.2%
Afternoon32677.9%14.4%0.6%
Evening5587.3%9.1%0.0%

Which weekday was most reliable for STS to SNA?

Among qualifying STS-to-SNA weekday results, Wednesday had the highest on-time rate: 86.0% of 100 flights. Friday was lowest at 66.7% across 111 flights.

DayFlightsOn time30+ minCancelled
Monday11172.1%20.7%0.0%
Tuesday10379.6%11.7%2.9%
Wednesday10086.0%9.0%1.0%
Thursday10980.7%11.9%0.9%
Friday11166.7%21.6%0.9%
Saturday10180.2%13.9%0.0%
Sunday11181.1%10.8%0.0%

Which airline was most reliable for STS to SNA?

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

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines74677.9%14.3%0.8%

Which month was most reliable for STS to SNA?

Among qualifying STS-to-SNA month results, May 2026 had the highest on-time rate: 90.3% of 62 flights. December 2025 was lowest at 59.1% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 20256262.9%17.7%0.0%
August 20256275.8%12.9%1.6%
September 20256078.3%16.7%0.0%
October 20256280.6%12.9%0.0%
November 20256972.5%14.5%0.0%
December 20259359.1%31.2%4.3%
January 20265778.9%14.0%0.0%
February 20264488.6%6.8%0.0%
March 20265583.6%14.5%0.0%
April 20266088.3%8.3%0.0%
May 20266290.3%4.8%1.6%
June 20266090.0%6.7%0.0%

What drove STS to SNA delay minutes?

Late aircraft was the largest recorded STS-to-SNA delay category, accounting for 42.0% of 12,021 BTS-attributed delay minutes during July 2025–June 2026.

Airline22.7%
Late aircraft42.0%
National airspace14.4%
Weather20.9%
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.