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

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

73.3% of 11,015 official scheduled SFO-to-LAX flights arrived on time; 17.0% 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 SIGNALGenerally reliable
73.3%arrived on time
17.0%30+ min late
0.8%cancelled
11,015scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.1%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+9.6 mincompleted flights

Which departure time was most reliable for SFO to LAX?

Among qualifying SFO-to-LAX departure window results, Early morning had the highest on-time rate: 90.7% of 2,617 flights. Night was lowest at 64.9% across 807 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning2,61790.7%4.9%0.6%
Late morning2,30169.0%19.6%1.1%
Afternoon2,78366.3%22.3%0.6%
Evening2,50769.6%19.7%1.0%
Night80764.9%21.9%1.2%

Which weekday was most reliable for SFO to LAX?

Among qualifying SFO-to-LAX weekday results, Tuesday had the highest on-time rate: 78.8% of 1,521 flights. Thursday was lowest at 69.5% across 1,634 flights.

DayFlightsOn time30+ minCancelled
Monday1,64769.9%18.4%1.0%
Tuesday1,52178.8%12.4%0.6%
Wednesday1,48076.4%14.4%0.6%
Thursday1,63469.5%20.5%0.9%
Friday1,64870.3%19.8%1.0%
Saturday1,48178.7%13.0%1.1%
Sunday1,60470.6%19.6%0.8%

Which airline was most reliable for SFO to LAX?

Among qualifying SFO-to-LAX airline results, United Airlines had the highest on-time rate: 78.2% of 3,263 flights. Southwest Airlines was lowest at 61.4% across 1,369 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,26378.2%12.0%0.3%
SkyWest Airlines2,58875.8%16.0%1.0%
Delta Air Lines2,37372.4%17.7%1.6%
Southwest Airlines1,36961.4%27.1%0.6%
Alaska Airlines68569.1%18.2%0.7%
Frontier Airlines39167.5%22.8%1.5%
American Airlines34576.5%18.3%0.3%
Envoy Air10.0%100.0%0.0%

Which month was most reliable for SFO to LAX?

Among qualifying SFO-to-LAX month results, January 2026 had the highest on-time rate: 85.0% of 774 flights. June 2026 was lowest at 60.6% across 1,079 flights.

MonthFlightsOn time30+ minCancelled
July 202589673.3%18.2%0.3%
August 202592877.3%13.6%0.6%
September 202591678.4%12.4%0.2%
October 202599173.6%17.7%0.0%
November 202590472.1%16.6%2.7%
December 202584670.8%18.6%0.6%
January 202677485.0%9.6%1.2%
February 202673976.7%14.2%0.8%
March 202692784.3%9.1%1.4%
April 202698769.0%20.4%0.9%
May 20261,02864.3%23.9%1.5%
June 20261,07960.6%25.7%0.1%

What drove SFO to LAX delay minutes?

Late aircraft was the largest recorded SFO-to-LAX delay category, accounting for 56.1% of 169,444 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.3%
Late aircraft56.1%
National airspace18.5%
Weather1.0%
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.