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

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

Historically, 85.9% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,433 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.