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

San Jose, CA (SJC) to Los Angeles, CA (LAX) flight delay odds

85.9% of 4,433 official scheduled SJC-to-LAX flights arrived on time; 7.9% 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 SIGNALLower disruption
85.9%arrived on time
7.9%30+ min late
0.8%cancelled
4,433scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.6%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-3.2 mincompleted flights

Which departure time was most reliable for SJC to LAX?

Among qualifying SJC-to-LAX departure window results, Early morning had the highest on-time rate: 93.9% of 924 flights. Evening was lowest at 79.2% across 1,301 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning92493.9%2.8%0.8%
Late morning90090.9%5.3%1.3%
Afternoon1,21983.8%8.9%0.5%
Evening1,30179.2%12.1%0.7%
Night8979.8%12.4%0.0%

Which weekday was most reliable for SJC to LAX?

Among qualifying SJC-to-LAX weekday results, Tuesday had the highest on-time rate: 90.4% of 583 flights. Friday was lowest at 80.6% across 687 flights.

DayFlightsOn time30+ minCancelled
Monday68984.5%8.7%0.9%
Tuesday58390.4%5.1%0.5%
Wednesday56289.7%6.6%0.4%
Thursday68486.1%7.6%0.6%
Friday68780.6%10.5%0.6%
Saturday54288.9%5.7%1.3%
Sunday68683.4%9.9%1.2%

Which airline was most reliable for SJC to LAX?

Among qualifying SJC-to-LAX airline results, SkyWest Airlines had the highest on-time rate: 92.1% of 2,053 flights. Southwest Airlines was lowest at 78.6% across 1,823 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines2,05392.1%4.3%0.4%
Southwest Airlines1,82378.6%12.4%0.4%
Delta Air Lines45489.4%5.7%3.1%
Frontier Airlines9679.2%9.4%4.2%
American Airlines666.7%16.7%0.0%
United Airlines1100.0%0.0%0.0%

Which month was most reliable for SJC to LAX?

Among qualifying SJC-to-LAX month results, January 2026 had the highest on-time rate: 92.5% of 320 flights. June 2026 was lowest at 75.9% across 395 flights.

MonthFlightsOn time30+ minCancelled
July 202536887.5%7.3%0.3%
August 202539188.2%6.9%0.0%
September 202542489.2%5.9%0.2%
October 202542284.8%8.3%0.0%
November 202533685.4%7.1%1.5%
December 202537981.0%12.1%1.3%
January 202632092.5%5.6%0.0%
February 202631584.4%8.3%0.0%
March 202635786.6%7.3%2.5%
April 202634488.4%4.9%1.5%
May 202638288.5%6.5%0.5%
June 202639575.9%13.7%1.5%

What drove SJC to LAX delay minutes?

Late aircraft was the largest recorded SJC-to-LAX delay category, accounting for 44.8% of 31,875 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.5%
Late aircraft44.8%
National airspace11.4%
Weather6.0%
Security0.3%
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.