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

Houston, TX (HOU) to Austin, TX (AUS) flight delay odds

Historically, 73.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,403 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
73.8%arrived on time
14.6%30+ min late
0.3%cancelled
1,403scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.1%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+7.6 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 morning17893.3%3.9%0.0%
Late morning37386.3%6.2%0.3%
Afternoon30464.1%22.0%0.0%
Evening31468.8%17.8%0.6%
Night23458.5%22.2%0.4%

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
Monday19974.9%13.1%0.5%
Tuesday19583.1%9.7%0.5%
Wednesday19178.5%13.1%0.0%
Thursday20172.1%13.9%0.0%
Friday19770.1%19.3%0.0%
Saturday20875.5%13.5%0.5%
Sunday21263.7%19.3%0.5%

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
Southwest Airlines1,40373.8%14.6%0.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202513161.8%26.0%0.0%
August 202513979.9%10.8%0.0%
September 202513685.3%7.4%0.0%
October 202514476.4%12.5%0.0%
November 20259362.4%21.5%0.0%
December 20259578.9%11.6%0.0%
January 202614285.9%7.7%2.1%
February 202612588.0%4.8%0.0%
March 202611267.9%16.1%0.0%
April 20269866.3%20.4%0.0%
May 202610261.8%21.6%1.0%
June 20268657.0%23.3%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.

Airline25.6%
Late aircraft54.5%
National airspace18.7%
Weather0.9%
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.