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

Los Angeles, CA (LAX) to San Francisco, CA (SFO) flight delay odds

64.2% of 11,013 official scheduled LAX-to-SFO flights arrived on time; 24.0% 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 SIGNALVariable
64.2%arrived on time
24.0%30+ min late
0.8%cancelled
11,013scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.6%all scheduled flights
120+ minutes late3.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+14.7 mincompleted flights

Which departure time was most reliable for LAX to SFO?

Among qualifying LAX-to-SFO departure window results, Early morning had the highest on-time rate: 76.2% of 2,266 flights. Evening was lowest at 56.2% across 3,131 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning2,26676.2%15.1%1.5%
Late morning1,83658.8%26.7%0.7%
Afternoon2,66766.7%22.8%0.6%
Evening3,13156.2%30.8%0.8%
Night1,11365.6%21.7%0.4%

Which weekday was most reliable for LAX to SFO?

Among qualifying LAX-to-SFO weekday results, Tuesday had the highest on-time rate: 70.3% of 1,516 flights. Sunday was lowest at 60.0% across 1,631 flights.

DayFlightsOn time30+ minCancelled
Monday1,65662.9%25.5%1.0%
Tuesday1,51670.3%18.7%0.7%
Wednesday1,47365.8%23.6%0.5%
Thursday1,62962.0%26.3%0.7%
Friday1,64760.0%28.1%1.0%
Saturday1,46169.7%18.6%1.0%
Sunday1,63160.0%26.2%0.9%

Which airline was most reliable for LAX to SFO?

Among qualifying LAX-to-SFO airline results, SkyWest Airlines had the highest on-time rate: 71.2% of 2,593 flights. Alaska Airlines was lowest at 52.0% across 686 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,25766.1%22.0%0.2%
SkyWest Airlines2,59371.2%18.4%1.2%
Delta Air Lines2,37364.2%23.6%1.5%
Southwest Airlines1,37056.9%31.4%0.4%
Alaska Airlines68652.0%33.4%0.4%
Frontier Airlines39152.2%35.0%2.0%
American Airlines34360.9%28.0%0.3%

Which month was most reliable for LAX to SFO?

Among qualifying LAX-to-SFO month results, March 2026 had the highest on-time rate: 83.7% of 927 flights. May 2026 was lowest at 43.5% across 1,028 flights.

MonthFlightsOn time30+ minCancelled
July 202589671.2%19.9%0.2%
August 202593074.9%14.7%0.5%
September 202591670.0%17.4%0.0%
October 202599064.8%23.3%0.1%
November 202590362.1%24.0%2.5%
December 202584265.1%24.0%0.5%
January 202677281.1%12.6%1.0%
February 202674269.7%20.6%0.8%
March 202692783.7%8.6%1.7%
April 202698848.2%34.0%0.8%
May 20261,02843.5%41.8%1.4%
June 20261,07946.6%39.4%0.4%

What drove LAX to SFO delay minutes?

National airspace was the largest recorded LAX-to-SFO delay category, accounting for 52.4% of 225,619 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.7%
Late aircraft25.8%
National airspace52.4%
Weather1.1%
Security0.1%
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.