George Bush Intercontinental airport serves as a major hub for United Airlines. Similarly, Hartsfiled-Jackson Atlanta International airport is a Delta Air lines operations base. Like most major airports across the United States, both George Bush Intercontinental Airport and Harstfield-Jackson Atlanta International Airport service a variety of commercial airlines, but the greatest number of flights are from United Airlines (Houston IAH) and Delta Airlines (Atlanta ATL).

Does Delta Airlines offer the earliest flight times out of Harstfield-Jackson Atlanta International Airport to George Bush Intercontinental Airport?
Sometimes, as a business traveler, I find myself booking flights based on schedules. While it’s always nice to book the cheapest flight, or the one with the best seats in first class, sometimes you just need to get on the earliest flight. If you’re trying to get from Hartsfield-Jackson Atlanta International Airport to Houston for the start of the work day, your best bet is United Airlines. Their earliest flight leaves ATL at 7:00 am, arriving at George Bush Intercontinental Airport at 8:05.
If you have a strong preference for Delta Air Lines, not to worry, their direct flights to Houston start at 7:05am, arriving at 8:12. Both United Airlines and Delta Airlines offer a similar number of direct flights between ATL and IAH throughout the day.

In my experience, if you’re pressed for time to get yourself to a meeting in Houston, you might get a more convenient arrival gate if you’re flying United Airlines. George Bush Intercontinental is a major hub for United Airlines, and the vast majority of flights with United into IAH get more preferred gates than some of the other American airlines. Keep in mind that the reverse if true, if you’re flying from Houston to Atlanta Hartsfield-Jackson Airport.
What’s the flight distance from Harstfield-Jackson Atlanta International Airport to Houston’s George Bush Intercontinental Airport?
Flight distance between Hartsfield-Jackson Atlanta International Airport and George Bush Intercontinental Airport is 689, with a travel time of two hours and seven minutes, according to flightsphere.com. Keep in mind that this is the gate-to-gate travel time, the vast majority of flights have a flying time that’s 10 to 20 minutes shorter. While technically Georget Bush Intercontinental Airport is the closest Houston airport to ATL, nearby William P. Hobby Airport has a posted flight distance of 695 miles. If you’ve booked direct flights on Southwest Airlines, this will be your arrival airport in Houston.

Does Southwest Airlines offer direct flights from Harstfield-Jackson Atlanta International Airport to Houston?
While Southwest Airlines flies out of Hartsfield-Jackson Atlanta International Airport, be advised that this budget airline does not land at George Bush Intercontinental Airport. In Houstong, Southwest Airlines uses William P. Hobby Airport. This smaller airport is conveniently located to the south of downtown Houston. If you don’t mind flying on a budget airline, Southwest Airlines offers plenty of direct flights between ATL and Houston. Don’t be fooled into thinking that the cheapest flight will always be with Southwest Airlines, however. It’s always a good idea to compare prices, as fares can vary depending on which American airline you’re booking with, time of day, class of service, etc. Sometimes, direct flights are more expensive, but this isn’t always the case. Consider performing a search on Google flights. You’ll see the flight options, prices, and times from all of the American airlines on one screen.
Do I need to book with Delta Air Lines if I want direct flights out of Harstfield-Jackson Atlanta International Airport?
Although Hartsfield-Jackson Atlanta International Airport serves as a hub for Delta Air Lines, several other commercial airlines, including United Airlines, Southwest Airlines, and Spirit Airlines offer direct flights to the Houston area.

The vast majority of flights between ATL and Houston are operated on Boeing 737s or similarly sized Airbus planes, so the travel time will be similar regardless of which of the American airlines you choose to book with.
Do I need to book with United Airlines if I want direct flights out of Houston George Bush Intercontinental Airport?
Although IAH airport in Houston is home to United Airlines, several other commercial airlines, including Delta Air Lines and Spirit Airlines offer direct flights to Hartsfield-Jackson Atlanta International Airport.

Delta Air Lines offers the earliest flight from Houston to Atlanta, with a 6am departure from George Bush Intercontinental Airport, arriving into ATL at 9:05am with a travel time of one hour and 56 minutes from gate to gate. So if you need to be in Atlanta in time for a morning meeting, Delta Airlines is a great place to book your direct flight. Otherwise, both Delta Airlines and United Airlines offer regular direct flights throughout the day.
Which of the American airlines offers the most direct flights from ATL to Houston George Bush Intercontinental Airport?
It’s a pretty even match between Delta Air Lines and United Airlines, if you’re looking for direct flights between George Bush Intercontinental Airport and Hartsfield-Jackson Atlanta International Airport. Both of these major American airlines offer regular direct flights at just about all hours of the day.
If you’re flying to or from Houston Hobby Airport, then Southwest Airlines is the carrier with the most direct flights.
Which of the commercial airlines should I choose for my next flight between Hartsfield-Jackson Atlanta International Airport and the greater Houston area?
With so many direct flights between ATL and Houston, sometimes it’s hard to decide which way to fly. Some of the factors you should consider are flight schedules, pre-flight services, in-flight services, and which of the greater Houston airports you’d like to fly in or out of.

I almost always fly with Star Alliance, as I hold Super Elite Status with Air Canada. This makes United Airlines my natural choice when flying to or from Houston’s George Bush Intercontinental Airport. I also like the lounge access at IAH, regardless of which terminal you’re flying out of, there are United Airlines Lounges within a few minutes walk. For some, the travel perks associated with SkyTeam make Delta Air Lines a natural choice for flights to or from ATL. And for others, its simply a matter of flight schedule or ticket price, in which case, there are many great american airlines flying between Hartsfield-Jackson Atlanta International Airport and the airports of Greater Houston.