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

Santa Ana, CA (SNA) to Houston, TX (IAH) flight delay odds

87.3% of 1,094 official scheduled SNA-to-IAH flights arrived on time; 7.5% arrived at least 30 minutes late and 0.1% 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
87.3%arrived on time
7.5%30+ min late
0.1%cancelled
1,094scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.0%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+1.4 mincompleted flights

Which departure time was most reliable for SNA to IAH?

Among qualifying SNA-to-IAH departure window results, Early morning had the highest on-time rate: 94.8% of 365 flights. Late morning was lowest at 75.6% across 41 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36594.8%2.7%0.3%
Late morning4175.6%19.5%0.0%
Afternoon68884.0%9.3%0.0%

Which weekday was most reliable for SNA to IAH?

Among qualifying SNA-to-IAH weekday results, Tuesday had the highest on-time rate: 90.6% of 159 flights. Saturday was lowest at 82.7% across 156 flights.

DayFlightsOn time30+ minCancelled
Monday15688.5%7.1%0.0%
Tuesday15990.6%5.7%0.0%
Wednesday15687.8%7.1%0.0%
Thursday15586.5%7.7%0.0%
Friday15685.9%9.6%0.0%
Saturday15682.7%9.0%0.6%
Sunday15689.1%6.4%0.0%

Which airline was most reliable for SNA to IAH?

Only United Airlines met the SNA-to-IAH airline threshold: 87.3% of 1,094 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines1,09487.3%7.5%0.1%

Which month was most reliable for SNA to IAH?

Among qualifying SNA-to-IAH month results, October 2025 had the highest on-time rate: 95.7% of 93 flights. July 2025 was lowest at 74.2% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 20259374.2%16.1%1.1%
August 20259381.7%10.8%0.0%
September 20259092.2%1.1%0.0%
October 20259395.7%2.2%0.0%
November 20258985.4%10.1%0.0%
December 20259389.2%1.1%0.0%
January 20269395.7%2.2%0.0%
February 20268491.7%3.6%0.0%
March 20269382.8%11.8%0.0%
April 20269090.0%7.8%0.0%
May 20269389.2%8.6%0.0%
June 20269080.0%14.4%0.0%

What drove SNA to IAH delay minutes?

National airspace was the largest recorded SNA-to-IAH delay category, accounting for 42.5% of 9,735 BTS-attributed delay minutes during July 2025–June 2026.

Airline15.8%
Late aircraft39.6%
National airspace42.5%
Weather2.0%
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.