The flight time from Atlanta to Houston is 2 hours, 7 minutes. See Data as Tables

Average Timeline

Leaves ATL Atlanta, GA 1 minute early.
14 minutes taxiing out
1 hour, 44 minutes in the air
8 minutes taxiing in
Arrives IAH Houston, TX 6 minutes early.

Flight Reliability By Airline ?


Flight Summary

The flight time from Atlanta to Houston is 2 hours, 7 minutes. The time spent in the air is 1 hour, 44 minutes.

The flight distance from Atlanta to Houston is 689 Miles.

Reverse Journey

Houston to Atlanta
1 hour, 54 minutes

Flight Time By Airline ?

2h 4m
2h 8m
2h 11m
2h 12m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM 30m1h1h 30m2h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?


Flights Per Week



689 Miles

Flights By Month ?


Flights By Day of Week ?


Flights By Airline ?
(Per Week)


Frequently Asked Questions

How far is Atlanta from Houston by plane?

The distance from Atlanta to Houston by plane is 689 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from Atlanta to Houston?

The flight time from Atlanta to Houston is 2 hours, 7 minutes. The time spent in the air is 1 hour, 44 minutes. These numbers are averages. In reality, it varies by airline with Delta being the fastest taking 2 hours, 4 minutes, and Frontier the slowest taking 2 hours, 12 minutes.

What airlines fly from Atlanta to Houston?

United, Delta, Spirit, and Frontier are the airlines with direct flights from Atlanta to Houston.

Does Southwest fly from Atlanta to Houston?

Southwest does not fly from Atlanta (ATL) to Houston (IAH). Keep in mind that Southwest may fly to other nearby airports, as they will often fly into smaller airpors instead of larger ones. This is because the costs are often lower to fly into smaller airports, and they pass the savings on to you.

Tables and Explanations

Data Source

Our information is computed from the latest available data from the US Department of Transportation.

Average Timeline Timeline Chart

The average timeline contains the median time a flight spends in 3 stages. The first of these three stages is taxiing out which includes the time from the flight leaving the gate to taking off. The second stage is in the air, which includes the time spent from the flight leaving the ground to touching back down at the end of it's journey. The last stage is taxiing in, which is from when the flight touches down to the flight arriving at it's gate.

The average timeline also estimates on average of when the flight will leave and arrive relative to it's stated departure time.

Leaves Atlanta 1 minute early
Taxi Out Time 14 minutes
In the Air 104 minutes
Taxiing In 8 minutes
Arrives Houston 6 minutes early

Flight Reliability Reliability Chart

The reliability of an airline measures how often the airline's flights on this route are cancelled or delayed more than 20 minutes. For example, from Atlanta to Houston, Frontier is 80% reliable, which means that Frontier flights are on time 80% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Delta 87% 12% 1%
United 84% 13% 3%
Spirit 83% 14% 3%
Frontier 80% 18% 2%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Atlanta and Houston, this is due to different operational factors on the ground, as well as scheduling of planes. Each airline's flight time is split into three stages which are described above in the "Average Timeline" section. There are also miscellaneous operational issues which are included in the below total but are not accounted for in one of the three stages.

Airline Taxiing Out
In the Air
Taxiing In
Delta 14 102 7 124
Spirit 14 103 8 128
United 15 106 9 131
Frontier 16 104 10 132

Flights By Time of Day Flight Time By Day Chart

This one is pretty self explanatory, it represents the number of flights that leave the gate in a given hour of the day. The tricky thing here is that this is normally not a whole number since it is an average over 52 weeks. Partial numbers may indicate that a flight may be seasonal or may take off at different times due to different operational factors.

Time Count
8am 0.54
6am 0.04
5pm 0.68
7pm 0.73
9pm 0.24
3pm 0.65
11am 1
2pm 1.09
1pm 0.79
6pm 0.41
4pm 1.36
12pm 0.25
7am 1.77
10am 0.49
10pm 0.55
5am 0
9am 1.27
8pm 0.24

Flights By Month Flights By Month Chart

The quantity of flights from Atlanta to Houston that take off in a given month of the year. This number changes because some flights are seasonal, and almost all flights have uneven demand througout the year.

Month Count
January 341
February 323
March 357
April 347
May 363
June 381
July 392
August 394
September 398
October 433
November 401
December 383

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Atlanta to Houston that take off on a given day of the week. Some routes only have enough demand to sustain a few trips a week, while others have many flights a day. This number is also an average across the year, and hence may not be a whole number.

Day Count
Monday 13.17
Tuesday 12.29
Wednesday 12.48
Thursday 12.5
Friday 12.79
Saturday 11.19
Sunday 12.37

Flight per Airline (per Week) Flights By Airline Chart

How many times an airline flies this route in a week. Different factors play into how often a carrier chooses to fly a given route including it's need to connect disparate routes, and demand.

Airline Flights per Week
Delta 1
United 1
Spirit 0
Frontier 0

Flight Time By Time of Day Flight Time by Time of Day Chart

The total flight time varies by each hour of the day due to factors such as airport traffic. More flights leaving an airport may cause higher taxi in or taxi out times. See the description of the average timeline above for a deeper discussion of each of these times.

Time Taxi Out
In the Air
Taxi In
8am 16 98 7 122
6am 12 95 7 116
5pm 15 105 9 132
7pm 14 100 8 123
9pm 14 102 7 125
3pm 14 107 8 130
11am 12 103 8 124
2pm 14 105 9 129
1pm 13 106 8 127
6pm 12 108 7 128
4pm 14 105 8 129
12pm 13 107 9 132
7am 14 103 6 125
10am 16 104 6 128
10pm 15 96 8 120
5am 18 101 10 129
9am 15 103 8 129
8pm 16 108 6 131
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.