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

San Diego, CA (SAN) to Sacramento, CA (SMF) flight delay odds

75.8% of 5,177 official scheduled SAN-to-SMF flights arrived on time; 13.3% 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
75.8%arrived on time
13.3%30+ min late
0.8%cancelled
5,177scheduled 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 late1.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.8 mincompleted flights

Which departure time was most reliable for SAN to SMF?

Among qualifying SAN-to-SMF departure window results, Early morning had the highest on-time rate: 93.2% of 835 flights. Night was lowest at 63.8% across 453 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning83593.2%3.5%0.7%
Late morning1,15085.1%7.6%0.5%
Afternoon1,46968.8%17.2%0.3%
Evening1,27068.2%18.1%1.0%
Night45363.8%20.1%2.6%

Which weekday was most reliable for SAN to SMF?

Among qualifying SAN-to-SMF weekday results, Tuesday had the highest on-time rate: 86.4% of 706 flights. Friday was lowest at 67.7% across 804 flights.

DayFlightsOn time30+ minCancelled
Monday80773.7%13.9%0.6%
Tuesday70686.4%6.7%0.4%
Wednesday67882.7%10.5%0.6%
Thursday79472.5%16.4%1.1%
Friday80467.7%16.7%1.1%
Saturday56282.7%9.3%0.4%
Sunday82669.2%17.4%1.2%

Which airline was most reliable for SAN to SMF?

Among qualifying SAN-to-SMF airline results, SkyWest Airlines had the highest on-time rate: 78.3% of 1,185 flights. Southwest Airlines was lowest at 75.0% across 3,807 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines3,80775.0%13.9%0.6%
SkyWest Airlines1,18578.3%11.5%1.4%
Alaska Airlines18575.1%13.0%2.7%

Which month was most reliable for SAN to SMF?

Among qualifying SAN-to-SMF month results, January 2026 had the highest on-time rate: 81.1% of 375 flights. June 2026 was lowest at 66.4% across 450 flights.

MonthFlightsOn time30+ minCancelled
July 202546571.6%16.1%0.4%
August 202544277.6%10.2%0.2%
September 202541680.3%10.8%1.0%
October 202542176.5%14.5%0.0%
November 202544173.7%15.4%3.4%
December 202539869.1%16.8%1.8%
January 202637581.1%9.6%1.3%
February 202638279.1%13.1%0.0%
March 202646980.8%10.9%0.4%
April 202645280.1%9.3%0.4%
May 202646674.0%16.5%0.4%
June 202645066.4%16.2%0.4%

What drove SAN to SMF delay minutes?

Late aircraft was the largest recorded SAN-to-SMF delay category, accounting for 68.2% of 56,948 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.3%
Late aircraft68.2%
National airspace8.5%
Weather1.4%
Security0.7%
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.