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

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

85.9% of 4,429 official scheduled LAX-to-SJC flights arrived on time; 8.4% 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
8.4%30+ min late
0.8%cancelled
4,429scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.7%all scheduled flights
120+ minutes late0.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-3.2 mincompleted flights

Which departure time was most reliable for LAX to SJC?

Among qualifying LAX-to-SJC departure window results, Early morning had the highest on-time rate: 93.3% of 801 flights. Night was lowest at 77.0% across 343 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning80193.3%3.1%2.0%
Late morning85990.9%4.7%0.9%
Afternoon1,34187.5%6.8%0.3%
Evening1,08577.1%15.6%0.4%
Night34377.0%13.7%0.9%

Which weekday was most reliable for LAX to SJC?

Among qualifying LAX-to-SJC weekday results, Tuesday had the highest on-time rate: 89.9% of 582 flights. Sunday was lowest at 80.7% across 685 flights.

DayFlightsOn time30+ minCancelled
Monday68983.7%10.4%0.9%
Tuesday58289.9%6.2%0.7%
Wednesday56287.7%7.5%0.4%
Thursday68489.5%5.0%0.4%
Friday68782.4%8.9%0.9%
Saturday54088.7%7.4%0.9%
Sunday68580.7%12.7%1.3%

Which airline was most reliable for LAX to SJC?

Among qualifying LAX-to-SJC airline results, SkyWest Airlines had the highest on-time rate: 91.1% of 2,049 flights. Frontier Airlines was lowest at 78.1% across 96 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines2,04991.1%5.1%0.3%
Southwest Airlines1,82281.0%11.8%0.7%
Delta Air Lines45584.0%8.4%2.9%
Frontier Airlines9678.1%12.5%3.1%
American Airlines666.7%33.3%0.0%
United Airlines1100.0%0.0%0.0%

Which month was most reliable for LAX to SJC?

Among qualifying LAX-to-SJC month results, August 2025 had the highest on-time rate: 92.1% of 391 flights. June 2026 was lowest at 78.0% across 395 flights.

MonthFlightsOn time30+ minCancelled
July 202536786.4%7.1%0.5%
August 202539192.1%4.6%0.0%
September 202542492.0%4.5%0.0%
October 202542084.8%9.3%0.2%
November 202533788.4%6.8%1.8%
December 202537980.7%12.9%0.8%
January 202632091.6%5.6%0.0%
February 202631486.9%7.6%0.0%
March 202635785.2%7.8%2.8%
April 202634385.1%8.2%1.5%
May 202638280.1%10.2%0.8%
June 202639578.0%15.4%1.3%

What drove LAX to SJC delay minutes?

Late aircraft was the largest recorded LAX-to-SJC delay category, accounting for 47.8% of 30,564 BTS-attributed delay minutes during July 2025–June 2026.

Airline41.8%
Late aircraft47.8%
National airspace5.3%
Weather5.0%
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.