The flight time from Atlanta to Houston is 2 hours, 11 minutes. See Data as Tables

Average Timeline

Leaves ATL Atlanta, GA 1 minute early.
16 minutes taxiing out
1 hour, 45 minutes in the air
8 minutes taxiing in
Arrives IAH Houston, TX 4 minutes early.

Flight Reliability By Airline ?


Flight Summary

The flight time from Atlanta to Houston is 2 hours, 11 minutes. The time spent in the air is 1 hour, 45 minutes.

The flight distance from Atlanta to Houston is 689 Miles.

Reverse Journey

Houston to Atlanta
1 hour, 57 minutes

Flight Time By Airline ?

2h 7m
2h 9m
2h 16m
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, 11 minutes. The time spent in the air is 1 hour, 45 minutes. These numbers are averages. In reality, it varies by airline with Delta being the fastest taking 2 hours, 7 minutes, and United the slowest taking 2 hours, 16 minutes.

What airlines fly from Atlanta to Houston?

United, Delta, and Spirit 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 16 minutes
In the Air 105 minutes
Taxiing In 8 minutes
Arrives Houston 4 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, Spirit is 86% reliable, which means that Spirit flights are on time 86% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Spirit 86% 12% 2%
Delta 85% 15% 0%
United 80% 19% 1%

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 15 104 7 127
Spirit 14 104 9 129
United 18 108 9 136

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 0.18
6am 0.59
5pm 1.55
7pm 1.33
9pm 0.23
3pm 1.92
11am 0.48
2pm 0.76
1pm 0.66
6pm 0.15
4pm 0.27
12pm 1.47
7am 2.01
10pm 0.77
9am 1.76
8pm 0.29

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 432
February 391
March 442
April 425
May 431
June 451
July 470
August 476
September 439
October 459
November 437
December 450

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 15.31
Tuesday 15.4
Wednesday 15
Thursday 15.19
Friday 15.21
Saturday 11.94
Sunday 13.92

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

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 13 101 5 122
6am 13 106 9 129
5pm 15 107 9 134
7pm 17 105 8 132
9pm 14 104 6 125
3pm 17 107 8 134
11am 13 106 8 128
2pm 16 108 8 133
1pm 16 104 8 128
6pm 15 107 9 132
4pm 19 111 8 139
12pm 15 106 8 131
7am 19 105 7 134
10pm 15 96 7 120
9am 18 106 8 133
8pm 15 103 6 127
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.