The flight time from Houston to Atlanta is 1 hour, 54 minutes. See Data as Tables

Average Timeline

Leaves IAH Houston, TX 2 minutes early.
13 minutes taxiing out
1 hour, 31 minutes in the air
8 minutes taxiing in
Arrives ATL Atlanta, GA 7 minutes early.

Flight Reliability By Airline ?


Flight Summary

The flight time from Houston to Atlanta is 1 hour, 54 minutes. The time spent in the air is 1 hour, 31 minutes.

The flight distance from Houston to Atlanta is 689 Miles.

Reverse Journey

Atlanta to Houston
2 hours, 7 minutes

Flight Time By Airline ?

1h 52m
1h 54m
1h 56m
1h 58m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM 30m1h1h 30m
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 Houston from Atlanta by plane?

The distance from Houston to Atlanta 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 Houston to Atlanta?

The flight time from Houston to Atlanta is 1 hour, 54 minutes. The time spent in the air is 1 hour, 31 minutes. These numbers are averages. In reality, it varies by airline with Delta being the fastest taking 1 hour, 52 minutes, and United the slowest taking 1 hour, 58 minutes.

What airlines fly from Houston to Atlanta?

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

Does Southwest fly from Houston to Atlanta?

Southwest does not fly from Houston (IAH) to Atlanta (ATL). 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 Houston 2 minutes early
Taxi Out Time 13 minutes
In the Air 91 minutes
Taxiing In 8 minutes
Arrives Atlanta 7 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 Houston to Atlanta, Frontier is 78% reliable, which means that Frontier flights are on time 78% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Delta 89% 10% 1%
Spirit 82% 15% 3%
United 80% 17% 3%
Frontier 78% 20% 2%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Houston and Atlanta, 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 12 90 8 112
Spirit 12 91 9 114
Frontier 14 89 10 116
United 16 92 8 118

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
6pm 1.53
2pm 1.22
6am 0.87
11pm 0.01
5pm 0.28
9pm 0.02
10am 0.78
12pm 1.52
7pm 0.5
7am 1.16
8pm 0.47
11am 0.26
4pm 1.27
5am 0.11
8am 0.23
3pm 0.33
1pm 0.21
9am 1.34

Flights By Month Flights By Month Chart

The quantity of flights from Houston to Atlanta 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 343
February 321
March 357
April 347
May 364
June 380
July 390
August 394
September 399
October 433
November 402
December 385

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Houston to Atlanta 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
Tuesday 12.31
Wednesday 12.56
Thursday 12.58
Friday 12.73
Saturday 11.31
Sunday 12.35

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
6pm 15 90 9 116
2pm 14 91 7 113
6am 11 90 11 114
11pm 15 95 4 114
5pm 13 90 10 115
9pm 12 90 8 110
10am 18 91 8 117
12pm 13 91 8 113
7pm 15 91 7 115
7am 12 91 9 113
8pm 15 91 7 114
11am 11 92 8 112
4pm 14 91 8 114
5am 12 90 10 111
8am 11 92 8 113
3pm 13 94 9 117
1pm 11 94 6 112
9am 14 91 8 113
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.