Houston to Atlanta Flight Time & Schedules

Estimated Flying Time from Houston to Atlanta

A direct Houston–Atlanta flight normally requires around two hours, although the timetable differs according to the Houston departure airport and individual service. Passengers may leave from George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU), with flights landing at Hartsfield–Jackson Atlanta International Airport (ATL).

On the HOU–ATL route, published durations range from roughly 1 hour 56 minutes to 2 hours 14 minutes. Flights operating between IAH and ATL may be scheduled for approximately 2 hours 16 minutes to 2 hours 32 minutes.

Travellers departing from Hobby Airport can find nonstop services with Delta Air Lines and Southwest Airlines. From IAH, direct options are available with Delta Air Lines, United Airlines and Frontier Airlines.

Choosing between these flights involves more than comparing minutes in the timetable. The Houston airport location, departure hour, preferred carrier and plans after landing in Atlanta may all influence which service works best.

How Long Is a Direct Houston–Atlanta Journey?

Most nonstop services cover the Houston–Atlanta journey in roughly two hours, though the time printed on a flight schedule can be longer than the period actually spent airborne.Some departures from Hobby Airport have shorter listed durations, whereas selected IAH services may extend beyond two hours.The time required on a particular day is not always identical to the published schedule.
Changing winds, thunderstorms, aircraft taxiing, busy airspace and traffic-control instructions can alter the length of the trip.Atlanta also runs one hour ahead of Houston, so comparing the departure and arrival clocks alone can make the journey appear longer.

The direct route from George Bush Intercontinental Airport (IAH) to Hartsfield–Jackson Atlanta International Airport (ATL) covers approximately 691 miles (1,109 km).

Individual nonstop schedules generally fall between 2 hours 16 minutes and 2 hours 32 minutes. Passengers travelling from IAH can currently choose direct services operated by Delta Air Lines, United Airlines, and Frontier Airlines.

This airport may be particularly convenient for travellers based in northern Houston or passengers continuing to Atlanta after arriving at IAH on another flight.

A nonstop service is also available between William P. Hobby Airport (HOU) and Atlanta.The HOU–ATL route extends for approximately 698 miles, with scheduled durations of about 1 hour 56 minutes to 2 hours 14 minutes.

Southwest Airlines and Delta Air Lines provide direct services on this airport pairing.For passengers starting from central or southern Houston, Hobby Airport may offer a more convenient departure point than travelling across the city to IAH.

Both major Houston airports provide nonstop access to Atlanta, giving passengers a choice of departure points.
From IAH, direct services are available with Delta Air Lines, United Airlines and Frontier Airlines. From HOU, passengers can travel nonstop with Delta Air Lines and Southwest Airlines.

All of these services arrive at Hartsfield–Jackson Atlanta International Airport, so deciding between IAH and HOU will often come down to location, timetable and airline preference.

A flight that appears slightly longer on paper may still produce a quicker overall journey if the departure airport is easier to reach.

The principal nonstop routes are:

IAH–ATL: about 2 hrs 16 mins–2 hrs 32 mins
HOU–ATL: about 1 hr 56 mins–2 hrs 14 mins

These figures represent scheduled journey ranges rather than an exact amount of airborne time.

Airline timetables can include allowances for taxiing and airport operations, so two services covering a similar distance may still show different durations.

Houston to Atlanta Flight Times by Airport

Departure Airport	Arrival Airport	Route Code	Estimated Flight Time
George Bush Intercontinental Airport (IAH)	Hartsfield–Jackson Atlanta International Airport (ATL)	IAH–ATL	Approx. 2 hrs 16 mins–2 hrs 32 mins nonstop
William P. Hobby Airport (HOU)	Hartsfield–Jackson Atlanta International Airport (ATL)	HOU–ATL	Approx. 1 hr 56 mins–2 hrs 14 mins nonstop

These timings are intended to help with journey planning and are not fixed guarantees.Actual travel time may shift because of wind conditions, storms, runway activity, taxiing, airspace congestion and day-to-day airline operations.

Airlines Flying Nonstop from Houston to Atlanta

Southwest Airlines

Frontier Airlines

United Airlines

Delta Airlines

Houston and Atlanta Local Time

Houston and Atlanta are separated by one hour on the clock.
Houston follows Central Time, whereas Atlanta uses Eastern Time, placing Atlanta one hour ahead.
For example, 3:00 PM in Houston corresponds to 4:00 PM in Atlanta.

Both cities change their clocks for daylight saving time, meaning the one-hour gap remains in place throughout the year.

The arrival time displayed on a booking therefore reflects Atlanta local time rather than Houston time.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Houston Flight Times.