Nonstop flights from Atlanta to Houston

4 airlines fly from Atlanta (ATL) to 2 Houston airports (IAH and HOU), with up to 23 flights a day.

ATLIAH

Routes

2 airport pairs

When they leave

Atlanta time

6:07a10:43pFirst departure 6:07 AM, last 10:43 PM

11 in the morning, 6:07 AM to 11:40 AM, then seven in the afternoon, 12:21 PM to 4:26 PM, then nine in the evening, 6:15 PM to 10:43 PM.

Every flight

Earliest first

6:07 AM→7:20 AMATL to IAHFrontier AirlinesAirbus A321neoDaily
6:10 AM→7:15 AMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737Mon, Thu, Fri, Sun
7:05 AM→8:26 AMATL to IAHUnited AirlinesBoeing 737-800Daily
7:32 AM→8:37 AMATL to IAHDelta Air LinesAirbus A321Daily
7:35 AM→8:40 AMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737-700Tue, Wed, Sat
8:46 AM→9:50 AMATL to HOUDelta Air LinesAirbus A320Daily
10:06 AM→11:15 AMATL to IAHDelta Air LinesAirbus A320Daily
10:08 AM→11:27 AMATL to IAHFrontier AirlinesAirbus A320neoMon, Thu, Fri, Sat, Sun
10:35 AM→11:40 AMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737-700Mon, Thu, Fri
11:12 AM→12:16 PMATL to HOUDelta Air LinesAirbus A320Mon, Tue, Wed, Thu, Fri, Sun
11:40 AM→12:56 PMATL to IAHUnited AirlinesAirbus A319Daily
12:21 PM→1:27 PMATL to IAHDelta Air LinesAirbus A321Daily
12:50 PM→1:55 PMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737Sat
1:55 PM→3:00 PMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737 MAX 8Tue, Wed, Sun
2:32 PM→3:42 PMATL to IAHDelta Air LinesAirbus A320Daily
3:15 PM→4:25 PMATL to HOUDelta Air LinesAirbus A319Daily
4:03 PM→5:25 PMATL to IAHUnited AirlinesEmbraer 175Daily
4:26 PM→5:40 PMATL to IAHDelta Air LinesAirbus A320Mon, Tue, Wed, Thu, Fri, Sun
6:15 PM→7:20 PMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737Mon, Thu, Fri
6:35 PM→7:40 PMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737Tue, Wed, Sat, Sun
6:45 PM→7:54 PMATL to IAHDelta Air LinesAirbus A321Daily
6:57 PM→8:17 PMATL to IAHUnited AirlinesBoeing 737Mon, Tue, Wed, Thu, Fri, Sun
7:30 PM→8:35 PMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737-700Sun
8:10 PM→9:21 PMATL to IAHDelta Air LinesAirbus A321Daily
8:10 PM→9:20 PMATL to HOUSouthwest AirlinesUntil Mar 10, 2027Boeing 737 MAX 8Mon, Thu, Fri
8:59 PM→10:05 PMATL to HOUDelta Air LinesAirbus A320Daily
9:15 PM→10:29 PMATL to IAHFrontier AirlinesAirbus A321neoDaily
10:43 PM→11:52 PMATL to IAHDelta Air LinesAirbus A321Daily

Schedules last checked Sep 19, 2026. Times are local.

Flying from Atlanta to Houston

Delta Air Lines flies most often, 10 to 12 times a day on the Airbus A320, Airbus A321 and Airbus A319. United Airlines flies 3 to 4 times a day on the Airbus A319, Boeing 737, Boeing 737-800 and Embraer 175. Southwest Airlines flies 3 to 4 times a day on the Boeing 737, Boeing 737-700 and Boeing 737 MAX 8. Frontier Airlines flies 2 to 3 times a day on the Airbus A321neo and Airbus A320neo.

Flights run every day of the week, from 19 on Saturdays to 23 on Mondays, Thursdays, Fridays and Sundays. The first arrival in Houston is at 7:15 AM and the last at 11:52 PM.

ATL to IAH is the busiest airport pair, with 101 flights a week, then ATL to HOU with 52.

On ATL to HOU, Southwest Airlines flies it until Mar 10, 2027.

Flying back, Houston to Atlanta has 157 nonstop flights a week.

Return flights

Houston to AtlantaView

Find the cheapest day to fly from Atlanta to Houston.

Schedules as of Oct 9, 2026.