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

San Diego, CA (SAN) to San Jose, CA (SJC) flight delay odds

76.9% of 4,953 official scheduled SAN-to-SJC flights arrived on time; 13.8% 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 SIGNALGenerally reliable
76.9%arrived on time
13.8%30+ min late
0.9%cancelled
4,953scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.1 mincompleted flights

Which departure time was most reliable for SAN to SJC?

Among qualifying SAN-to-SJC departure window results, Early morning had the highest on-time rate: 93.8% of 963 flights. Night was lowest at 66.5% across 263 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning96393.8%2.6%0.4%
Late morning82283.0%7.8%1.1%
Afternoon1,46469.3%17.9%1.1%
Evening1,44171.8%19.4%0.6%
Night26366.5%20.5%1.9%

Which weekday was most reliable for SAN to SJC?

Among qualifying SAN-to-SJC weekday results, Wednesday had the highest on-time rate: 86.7% of 653 flights. Sunday was lowest at 69.3% across 763 flights.

DayFlightsOn time30+ minCancelled
Monday78274.4%15.0%0.9%
Tuesday68084.7%8.5%0.9%
Wednesday65386.7%7.0%1.4%
Thursday77373.2%16.4%1.4%
Friday78670.6%18.3%0.4%
Saturday51684.3%10.1%0.2%
Sunday76369.3%18.3%0.8%

Which airline was most reliable for SAN to SJC?

Among qualifying SAN-to-SJC airline results, SkyWest Airlines had the highest on-time rate: 81.9% of 1,140 flights. Southwest Airlines was lowest at 75.3% across 3,741 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines3,74175.3%14.5%0.8%
SkyWest Airlines1,14081.9%11.8%1.1%
Alaska Airlines4881.2%10.4%0.0%
Spirit Airlines2475.0%12.5%0.0%

Which month was most reliable for SAN to SJC?

Among qualifying SAN-to-SJC month results, February 2026 had the highest on-time rate: 85.1% of 309 flights. June 2026 was lowest at 67.6% across 448 flights.

MonthFlightsOn time30+ minCancelled
July 202547177.5%13.6%0.6%
August 202544181.6%9.3%0.0%
September 202539878.6%11.3%1.5%
October 202543373.7%14.1%0.9%
November 202545376.8%14.1%2.0%
December 202539772.3%17.6%1.3%
January 202631784.5%9.1%2.5%
February 202630985.1%9.7%0.3%
March 202640681.5%11.1%1.0%
April 202644976.4%15.1%0.4%
May 202643171.7%16.9%0.2%
June 202644867.6%21.0%0.0%

What drove SAN to SJC delay minutes?

Late aircraft was the largest recorded SAN-to-SJC delay category, accounting for 65.5% of 55,168 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.6%
Late aircraft65.5%
National airspace7.4%
Weather2.0%
Security0.4%
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.