Great-circle route ATL → IAH. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
The flight time from Atlanta to Houston is approximately 1h 58m nonstop. The distance is 688 miles (1,107 km). There are about 22 nonstop flights from Atlanta to Houston per day.
That is a great-circle estimate, not a scheduled block time. An airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
| Route | Est. time | Distance | Frequency | Airlines |
|---|---|---|---|---|
| ATL → IAH Hartsfield Jackson Atlanta International Airport to George Bush Intercontinental Houston Airport |
1h 58m | 688 mi | 103/wk | Delta Air Lines, Frontier Airlines, United Airlines |
| ATL → HOU Hartsfield Jackson Atlanta International Airport to William P Hobby Airport |
1h 59m | 695 mi | 54/wk | Delta Air Lines, Southwest Airlines |
Frequencies come from our most recent schedule sample. Where a pairing shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
4 airlines fly nonstop from Atlanta to Houston, including Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures on this route have used the Airbus A320 NEO, Boeing 737-800, Airbus A321, Airbus A320 and 4 other types.
Aircraft assignments change by season and by time of day.
The distance from Atlanta to Houston is 688 miles, or 1,107 kilometres.
| Great-circle distance | 688 mi |
| Kilometres | 1,107 km |
| Nautical miles | 598 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 4 airlines fly it nonstop, with about 157 departures a week, across 2 airport pairings. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 58m in the air on the ATL–IAH nonstop. That is a great-circle estimate from the 688-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
688 miles (1,107 km) great-circle between Hartsfield Jackson Atlanta International Airport and George Bush Intercontinental Houston Airport.
Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures have used the Airbus A320 NEO, Boeing 737-800, Airbus A321, Airbus A320. Assignments change by season and by time of day.
ATL to IAH, ATL to HOU. Flight times differ slightly between them because the airports are not in the same place.
