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

Leaves IAH Houston, TX 1 minute early.
14 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 ?

Spirit
87%
Delta
85%
United
79%
Cancelled
Delayed*
Normal

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 ?

Spirit
1h 53m
Delta
1h 54m
United
2h 2m
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 ?
(Average)

12AM06AM12PM06PM0.00.51.01.52.0

Flights Per Week

101

Distance

689 Miles

Flights By Month ?

JFMAMJJASOND0100200300400

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun051015

Flights By Airline ?
(Per Week)

Delta
51
United
42
Spirit
7

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, 2 minutes.

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 14 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 85% 15% 0%
United 79% 20% 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
(minutes)
In the Air
(minutes)
Taxiing In
(minutes)
Total
(minutes)
Spirit 13 90 9 113
Delta 12 91 9 114
United 18 93 10 122

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 0.96
2pm 1.27
6am 0.93
11pm 0.01
5pm 0.96
9pm 0.47
10am 0.33
12pm 0.07
7pm 1.52
7am 0.81
11am 1.88
4pm 1.24
8am 1.1
3pm 0.63
1pm 1.1
9am 1.12

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 449
November 430
December 446

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 15.42
Tuesday 14.9
Wednesday 15.37
Thursday 15.13
Friday 15.29
Saturday 11.27
Sunday 14.27

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
(minutes)
In the Air
(minutes)
Taxi In
(minutes)
Total
(minutes)
6pm 18 92 9 122
2pm 17 92 8 119
6am 12 91 11 116
11pm 18 97 9 124
5pm 12 91 11 115
9pm 13 85 8 109
10am 19 96 9 125
12pm 20 93 13 127
7pm 16 90 8 117
7am 12 91 9 114
11am 14 91 9 116
4pm 18 92 11 123
8am 15 93 9 119
3pm 12 92 10 114
1pm 12 92 9 114
9am 14 91 8 113
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.