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

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

78.7% of 2,917 official scheduled HOU-to-ATL flights arrived on time; 12.3% arrived at least 30 minutes late and 1.1% 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 SIGNALGenerally reliable
78.7%arrived on time
12.3%30+ min late
1.1%cancelled
2,917scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.2%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+6.5 mincompleted flights

Which departure time was most reliable for HOU to ATL?

Among qualifying HOU-to-ATL departure window results, Early morning had the highest on-time rate: 88.8% of 565 flights. Evening was lowest at 68.9% across 842 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning56588.8%5.0%1.4%
Late morning71485.3%7.6%1.7%
Afternoon77976.5%14.6%0.5%
Evening84268.9%18.5%1.1%

Which weekday was most reliable for HOU to ATL?

Among qualifying HOU-to-ATL weekday results, Wednesday had the highest on-time rate: 82.2% of 410 flights. Sunday was lowest at 72.6% across 434 flights.

DayFlightsOn time30+ minCancelled
Monday43678.2%13.3%0.7%
Tuesday42281.5%10.9%0.5%
Wednesday41082.2%12.0%0.2%
Thursday43081.2%9.8%0.2%
Friday43678.2%13.5%0.9%
Saturday34977.1%12.6%2.6%
Sunday43472.6%13.8%3.0%

Which airline was most reliable for HOU to ATL?

Among qualifying HOU-to-ATL airline results, Delta Air Lines had the highest on-time rate: 83.0% of 1,416 flights. Southwest Airlines was lowest at 74.7% across 1,501 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,50174.7%14.5%0.5%
Delta Air Lines1,41683.0%9.9%1.8%

Which month was most reliable for HOU to ATL?

Among qualifying HOU-to-ATL month results, September 2025 had the highest on-time rate: 92.4% of 250 flights. March 2026 was lowest at 64.9% across 239 flights.

MonthFlightsOn time30+ minCancelled
July 202527573.1%13.5%0.4%
August 202526280.2%13.7%0.0%
September 202525092.4%3.6%0.0%
October 202525684.4%8.6%0.4%
November 202525479.5%11.4%2.4%
December 202525480.7%10.2%1.2%
January 202621981.3%8.7%2.7%
February 202619982.4%12.1%0.5%
March 202623964.9%20.1%3.3%
April 202623583.8%10.2%0.4%
May 202624270.7%18.2%2.1%
June 202623271.6%17.2%0.4%

What drove HOU to ATL delay minutes?

Airline was the largest recorded HOU-to-ATL delay category, accounting for 45.7% of 38,299 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.7%
Late aircraft39.2%
National airspace12.3%
Weather2.6%
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.