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

Atlanta, GA (ATL) to Houston, TX (HOU) flight delay odds

79.4% of 2,915 official scheduled ATL-to-HOU flights arrived on time; 11.3% arrived at least 30 minutes late and 1.2% 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
79.4%arrived on time
11.3%30+ min late
1.2%cancelled
2,915scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.9 mincompleted flights

Which departure time was most reliable for ATL to HOU?

Among qualifying ATL-to-HOU departure window results, Early morning had the highest on-time rate: 89.6% of 710 flights. Evening was lowest at 63.1% across 450 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning71089.6%4.9%1.3%
Late morning43386.6%6.0%2.1%
Afternoon95379.4%10.9%1.2%
Evening45063.1%23.1%0.7%
Night36971.0%16.3%0.8%

Which weekday was most reliable for ATL to HOU?

Among qualifying ATL-to-HOU weekday results, Wednesday had the highest on-time rate: 85.1% of 410 flights. Sunday was lowest at 76.4% across 433 flights.

DayFlightsOn time30+ minCancelled
Monday43678.2%13.3%1.4%
Tuesday42282.0%10.4%0.5%
Wednesday41085.1%8.8%0.2%
Thursday43079.1%10.9%0.5%
Friday43576.6%12.6%1.1%
Saturday34978.5%10.6%2.0%
Sunday43376.4%12.0%2.8%

Which airline was most reliable for ATL to HOU?

Among qualifying ATL-to-HOU airline results, Delta Air Lines had the highest on-time rate: 79.7% of 1,416 flights. Southwest Airlines was lowest at 79.1% across 1,499 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,49979.1%11.3%0.7%
Delta Air Lines1,41679.7%11.2%1.8%

Which month was most reliable for ATL to HOU?

Among qualifying ATL-to-HOU month results, February 2026 had the highest on-time rate: 88.4% of 199 flights. July 2025 was lowest at 72.0% across 275 flights.

MonthFlightsOn time30+ minCancelled
July 202527572.0%19.3%0.4%
August 202526277.5%11.8%0.0%
September 202525088.0%6.4%0.0%
October 202525679.3%9.8%0.8%
November 202525375.9%15.0%2.4%
December 202525476.8%13.0%1.2%
January 202621884.9%6.0%2.3%
February 202619988.4%6.5%0.5%
March 202623977.0%11.3%2.9%
April 202623586.0%8.5%0.4%
May 202624273.1%13.2%2.9%
June 202623277.2%12.1%0.9%

What drove ATL to HOU delay minutes?

Airline was the largest recorded ATL-to-HOU delay category, accounting for 40.4% of 31,991 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.4%
Late aircraft39.6%
National airspace16.2%
Weather3.4%
Security0.5%
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.