The flight time from Houston to Atlanta is 1 hour, 57 minutes. See Data as Tables

Average Timeline

Leaves IAH Houston, TX 1 minute early.
15 minutes taxiing out
1 hour, 31 minutes in the air
9 minutes taxiing in
Arrives ATL Atlanta, GA 6 minutes early.

Flight Reliability By Airline ?


Flight Summary

The flight time from Houston to Atlanta is 1 hour, 57 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, 11 minutes

Flight Time By Airline ?

1h 53m
1h 54m
2h 1m
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 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, 57 minutes. The time spent in the air is 1 hour, 31 minutes. These numbers are averages. In reality, it varies by airline with Spirit being the fastest taking 1 hour, 53 minutes, and United the slowest taking 2 hours, 1 minute.

What airlines fly from Houston to Atlanta?

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 1 minute early
Taxi Out Time 15 minutes
In the Air 91 minutes
Taxiing In 9 minutes
Arrives Atlanta 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 Houston to Atlanta, Spirit is 87% reliable, which means that Spirit flights are on time 87% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Spirit 87% 12% 1%
Delta 84% 16% 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 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
Spirit 13 90 9 113
Delta 12 91 9 114
United 18 93 9 121

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 0.99
2pm 1.3
6am 0.94
11pm 0.01
5pm 0.98
9pm 0.44
10am 0.55
12pm 0.05
7pm 1.59
7am 0.81
11am 1.88
4pm 1.26
8am 1.11
3pm 0.56
1pm 1.12
9am 0.85

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 434
February 390
March 440
April 423
May 433
June 449
July 473
August 477
September 442
October 460
November 436
December 450

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 15.25
Tuesday 15.15
Wednesday 15.35
Thursday 15.19
Friday 15.31
Saturday 11.37
Sunday 14.44

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
6pm 17 92 10 122
2pm 17 92 8 119
6am 12 92 11 116
11pm 19 88 4 112
5pm 12 91 11 115
9pm 14 86 8 109
10am 19 95 9 123
12pm 19 87 7 113
7pm 16 90 8 117
7am 12 91 9 114
11am 15 92 9 117
4pm 18 92 11 122
8am 15 92 9 117
3pm 12 92 10 115
1pm 12 92 9 115
9am 12 91 8 112
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.