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

Los Angeles, CA (LAX) to San Diego, CA (SAN) flight delay odds

85.9% of 2,441 official scheduled LAX-to-SAN flights arrived on time; 8.2% arrived at least 30 minutes late and 0.9% 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 SIGNALLower disruption
85.9%arrived on time
8.2%30+ min late
0.9%cancelled
2,441scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.9%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+1.5 mincompleted flights

Which departure time was most reliable for LAX to SAN?

Among qualifying LAX-to-SAN departure window results, Night had the highest on-time rate: 90.0% of 649 flights. Evening was lowest at 82.5% across 651 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning25684.4%9.0%1.6%
Late morning45886.9%6.3%1.5%
Afternoon42784.5%10.3%0.2%
Evening65182.5%10.4%1.2%
Night64990.0%5.4%0.5%

Which weekday was most reliable for LAX to SAN?

Among qualifying LAX-to-SAN weekday results, Tuesday had the highest on-time rate: 92.5% of 362 flights. Friday was lowest at 81.2% across 357 flights.

DayFlightsOn time30+ minCancelled
Monday35684.0%8.7%0.8%
Tuesday36292.5%5.2%0.0%
Wednesday35287.2%6.2%1.1%
Thursday36085.3%7.2%1.4%
Friday35781.2%12.0%1.4%
Saturday30388.4%6.6%1.0%
Sunday35182.6%10.8%0.9%

Which airline was most reliable for LAX to SAN?

Among qualifying LAX-to-SAN airline results, United Airlines had the highest on-time rate: 89.4% of 188 flights. SkyWest Airlines was lowest at 85.6% across 2,253 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines2,25385.6%8.3%1.0%
United Airlines18889.4%6.4%0.0%

Which month was most reliable for LAX to SAN?

Among qualifying LAX-to-SAN month results, April 2026 had the highest on-time rate: 93.2% of 207 flights. December 2025 was lowest at 77.0% across 187 flights.

MonthFlightsOn time30+ minCancelled
July 202520989.5%4.8%0.0%
August 202521190.5%6.6%0.0%
September 202520989.0%7.7%1.0%
October 202520885.6%10.6%0.0%
November 202519379.3%8.8%8.8%
December 202518777.0%14.4%0.5%
January 202619781.7%11.2%1.5%
February 202618588.1%8.6%0.0%
March 202620279.7%11.9%0.0%
April 202620793.2%2.9%0.0%
May 202622487.1%7.1%0.0%
June 202620988.0%4.3%0.0%

What drove LAX to SAN delay minutes?

Airline was the largest recorded LAX-to-SAN delay category, accounting for 44.8% of 20,574 BTS-attributed delay minutes during July 2025–June 2026.

Airline44.8%
Late aircraft10.1%
National airspace26.4%
Weather18.7%
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.