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

San Francisco, CA (SFO) to Sacramento, CA (SMF) flight delay odds

77.5% of 1,377 official scheduled SFO-to-SMF flights arrived on time; 13.5% arrived at least 30 minutes late and 1.7% 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
77.5%arrived on time
13.5%30+ min late
1.7%cancelled
1,377scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+10.7 mincompleted flights

Which departure time was most reliable for SFO to SMF?

Among qualifying SFO-to-SMF departure window results, Early morning had the highest on-time rate: 83.9% of 248 flights. Late morning was lowest at 72.8% across 114 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning24883.9%8.1%2.8%
Late morning11472.8%17.5%1.8%
Afternoon31275.3%17.0%0.6%
Evening41079.5%11.7%2.4%
Night29373.4%15.4%0.7%

Which weekday was most reliable for SFO to SMF?

Among qualifying SFO-to-SMF weekday results, Tuesday had the highest on-time rate: 85.4% of 198 flights. Sunday was lowest at 74.2% across 194 flights.

DayFlightsOn time30+ minCancelled
Monday20274.3%13.9%2.5%
Tuesday19885.4%5.6%1.5%
Wednesday20178.1%14.4%0.5%
Thursday19874.7%17.7%1.0%
Friday20175.1%14.4%2.5%
Saturday18380.9%13.1%2.2%
Sunday19474.2%15.5%1.5%

Which airline was most reliable for SFO to SMF?

Among qualifying SFO-to-SMF airline results, SkyWest Airlines had the highest on-time rate: 77.9% of 1,323 flights. United Airlines was lowest at 68.5% across 54 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,32377.9%13.1%1.7%
United Airlines5468.5%24.1%0.0%

Which month was most reliable for SFO to SMF?

Among qualifying SFO-to-SMF month results, August 2025 had the highest on-time rate: 86.7% of 113 flights. November 2025 was lowest at 66.9% across 118 flights.

MonthFlightsOn time30+ minCancelled
July 202511477.2%10.5%0.9%
August 202511386.7%10.6%0.0%
September 202511980.7%14.3%0.0%
October 202514483.3%10.4%0.0%
November 202511866.9%12.7%10.2%
December 202510571.4%14.3%1.9%
January 202611872.9%19.5%4.2%
February 202611272.3%20.5%0.9%
March 202611385.0%10.6%0.0%
April 202611984.0%9.2%0.8%
May 202611273.2%15.2%0.9%
June 20269073.3%15.6%0.0%

What drove SFO to SMF delay minutes?

Late aircraft was the largest recorded SFO-to-SMF delay category, accounting for 31.4% of 22,136 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.1%
Late aircraft31.4%
National airspace24.3%
Weather16.1%
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.