There are several airlines that operate frequent flights from Atlanta (ATL) to Houston (IAH) including

• Delta Air Lines with 983 flights a week
• American Airlines with 130 flights a week
• United Airlines with 75 flights a week
• Qantas Airways with 49 flights a week
• with 12 flights a week

The earliest flight leaves Hartsfield Jackson Atlanta Intl. Airport at 05:30 and arrives at George Bush Intercontinental Airport at 06:34. The last flight of the day departs Atlanta at 22:33 and arrives at Houston at 23:55.

The flight distance from Atlanta to Houston is about 1112 km, the shortest flight is 01 hours 57 minutes with United Airlines."

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