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

Houston, TX (HOU) to Miami, FL (MIA) flight delay odds

Historically, 52.9% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 289 flights.

HISTORICAL ROUTE SIGNALHigher disruption
52.9%arrived on time
31.8%30+ min late
0.7%cancelled
289scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.1%all scheduled flights
120+ minutes late3.8%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+22.8 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
Late morning5375.5%15.1%0.0%
Afternoon13447.0%35.1%1.5%
Evening8653.5%34.9%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
Monday4050.0%20.0%2.5%
Thursday3839.5%39.5%0.0%
Friday4247.6%38.1%0.0%
Saturday6972.5%21.7%1.4%
Sunday5251.9%36.5%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
Southwest Airlines28952.9%31.8%0.7%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20253956.4%33.3%0.0%
August 20252875.0%21.4%0.0%
September 20252584.0%8.0%0.0%
October 20252166.7%14.3%0.0%
November 20252085.0%5.0%0.0%
December 20251833.3%44.4%5.6%
January 2026887.5%12.5%0.0%
February 20264100.0%0.0%0.0%
March 20262722.2%55.6%3.7%
April 20263040.0%46.7%0.0%
May 20263135.5%32.3%0.0%
June 20263831.6%50.0%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.

Airline34.0%
Late aircraft38.4%
National airspace25.8%
Weather1.5%
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.