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

San Diego, CA (SAN) to Houston, TX (HOU) flight delay odds

71.0% of 961 official scheduled SAN-to-HOU flights arrived on time; 14.7% arrived at least 30 minutes late and 0.4% 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
71.0%arrived on time
14.7%30+ min late
0.4%cancelled
961scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.0%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+8.4 mincompleted flights

Which departure time was most reliable for SAN to HOU?

Among qualifying SAN-to-HOU departure window results, Early morning had the highest on-time rate: 88.2% of 331 flights. Evening was lowest at 59.8% across 256 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning33188.2%2.1%0.9%
Afternoon33560.9%20.9%0.0%
Evening25659.8%24.2%0.4%

Which weekday was most reliable for SAN to HOU?

Among qualifying SAN-to-HOU weekday results, Saturday had the highest on-time rate: 83.6% of 110 flights. Thursday was lowest at 61.5% across 143 flights.

DayFlightsOn time30+ minCancelled
Monday14570.3%15.2%0.7%
Tuesday14279.6%9.9%0.7%
Wednesday13871.0%14.5%0.0%
Thursday14361.5%23.1%0.0%
Friday14362.9%17.5%0.7%
Saturday11083.6%8.2%0.0%
Sunday14070.7%12.9%0.7%

Which airline was most reliable for SAN to HOU?

Only Southwest Airlines met the SAN-to-HOU airline threshold: 71.0% of 961 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines96171.0%14.7%0.4%

Which month was most reliable for SAN to HOU?

Among qualifying SAN-to-HOU month results, September 2025 had the highest on-time rate: 90.0% of 60 flights. March 2026 was lowest at 54.2% across 83 flights.

MonthFlightsOn time30+ minCancelled
July 20258863.6%20.5%0.0%
August 20256575.4%15.4%0.0%
September 20256090.0%5.0%0.0%
October 20258771.3%12.6%0.0%
November 20258673.3%14.0%3.5%
December 20259178.0%6.6%1.1%
January 20267280.6%9.7%0.0%
February 20267178.9%9.9%0.0%
March 20268354.2%26.5%0.0%
April 20268578.8%7.1%0.0%
May 20268756.3%21.8%0.0%
June 20268660.5%23.3%0.0%

What drove SAN to HOU delay minutes?

Late aircraft was the largest recorded SAN-to-HOU delay category, accounting for 57.3% of 12,401 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.0%
Late aircraft57.3%
National airspace13.9%
Weather0.0%
Security0.9%
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.