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

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

Historically, 87.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,094 flights.

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

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 morning36594.8%2.7%0.3%
Late morning4175.6%19.5%0.0%
Afternoon68884.0%9.3%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
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%

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
United Airlines1,09487.3%7.5%0.1%

Monthly trend

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

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 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.

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.