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

Santa Rosa, CA (STS) to Los Angeles, CA (LAX) flight delay odds

81.5% of 702 official scheduled STS-to-LAX flights arrived on time; 10.7% arrived at least 30 minutes late and 2.7% 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 SIGNALVariable
81.5%arrived on time
10.7%30+ min late
2.7%cancelled
702scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.6%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.4 mincompleted flights

Which departure time was most reliable for STS to LAX?

Among qualifying STS-to-LAX departure window results, Afternoon had the highest on-time rate: 86.2% of 87 flights. Evening was lowest at 75.8% across 269 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning32584.0%5.5%5.5%
Afternoon8786.2%9.2%0.0%
Evening26975.8%17.8%0.4%

Which weekday was most reliable for STS to LAX?

Among qualifying STS-to-LAX weekday results, Saturday had the highest on-time rate: 86.7% of 75 flights. Monday was lowest at 78.3% across 115 flights.

DayFlightsOn time30+ minCancelled
Monday11578.3%13.9%2.6%
Tuesday8380.7%13.3%4.8%
Wednesday8281.7%11.0%1.2%
Thursday11684.5%8.6%1.7%
Friday11378.8%12.4%1.8%
Saturday7586.7%4.0%6.7%
Sunday11881.4%10.2%1.7%

Which airline was most reliable for STS to LAX?

Only SkyWest Airlines met the STS-to-LAX airline threshold: 81.3% of 675 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines67581.3%11.1%2.8%
Alaska Airlines2785.2%0.0%0.0%

Which month was most reliable for STS to LAX?

Among qualifying STS-to-LAX month results, June 2026 had the highest on-time rate: 91.9% of 74 flights. December 2025 was lowest at 57.9% across 38 flights.

MonthFlightsOn time30+ minCancelled
July 20256173.8%16.4%0.0%
August 20256984.1%14.5%0.0%
September 20257779.2%14.3%0.0%
October 20255186.3%9.8%0.0%
November 20255076.0%6.0%10.0%
December 20253857.9%15.8%23.7%
January 20264575.6%11.1%8.9%
February 20264486.4%6.8%2.3%
March 20266385.7%9.5%0.0%
April 20267287.5%8.3%0.0%
May 20265881.0%12.1%0.0%
June 20267491.9%4.1%0.0%

What drove STS to LAX delay minutes?

Late aircraft was the largest recorded STS-to-LAX delay category, accounting for 44.5% of 7,345 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.5%
Late aircraft44.5%
National airspace20.7%
Weather1.3%
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.