The flight time from Denver to Houston is 2 hours, 17 minutes. See Data as Tables

Average Timeline

Leaves DEN Denver, CO 2 minutes late.
15 minutes taxiing out
1 hour, 52 minutes in the air
8 minutes taxiing in
Arrives IAH Houston, TX 1 minute early.

Flight Reliability By Airline ?

United
77%
Southwest
75%
Frontier
70%
Spirit
68%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Denver to Houston is 2 hours, 17 minutes. The time spent in the air is 1 hour, 52 minutes.

The flight distance from Denver to Houston is 862 Miles.

Reverse Journey

Houston to Denver
2 hours, 26 minutes

Flight Time By Airline ?

Southwest
2h 13m
United
2h 17m
Spirit
2h 18m
Frontier
2h 24m
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

97

Distance

862 Miles

Flights By Month ?

JFMAMJJASOND0100200300400

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun051015

Flights By Airline ?
(Per Week)

United
68
Southwest
20
Frontier
7
Spirit
2

Frequently Asked Questions

How far is Denver from Houston by plane?

The distance from Denver to Houston by plane is 862 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from Denver to Houston?

The flight time from Denver to Houston is 2 hours, 17 minutes. The time spent in the air is 1 hour, 52 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 2 hours, 13 minutes, and Frontier the slowest taking 2 hours, 24 minutes.

What airlines fly from Denver to Houston?

Southwest, Spirit, Frontier, and United are the airlines with direct flights from Denver to Houston.

Does Southwest fly from Denver to Houston?

Yes! Southwest does fly from Denver (DEN) to Houston (IAH). On average, they have 20 flights per week on this route. This may vary seasonally, please check the chart above for more details.

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 Denver 2 minutes late
Taxi Out Time 15 minutes
In the Air 112 minutes
Taxiing In 8 minutes
Arrives Houston 1 minute 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 Denver to Houston, Southwest is 75% reliable, which means that Southwest flights are on time 75% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 77% 22% 1%
Southwest 75% 23% 2%
Frontier 70% 30% 0%
Spirit 68% 31% 1%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Denver 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
(minutes)
In the Air
(minutes)
Taxiing In
(minutes)
Total
(minutes)
Southwest 13 113 6 133
United 16 111 8 137
Spirit 13 112 10 138
Frontier 16 113 12 144

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
11am 1.19
3pm 1.81
5am 1.03
9pm 0.68
7pm 1.21
5pm 1.04
8pm 0.8
12pm 0.56
6am 0.01
7am 1.07
8am 0.3
6pm 0.24
4pm 0.74
9am 0.62
2pm 0.04
10pm 0.07
1pm 1.27
10am 1.05

Flights By Month Flights By Month Chart

The quantity of flights from Denver 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 409
February 385
March 446
April 386
May 424
June 444
July 460
August 463
September 442
October 408
November 386
December 415

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Denver 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 14
Tuesday 14
Wednesday 13.96
Thursday 13.92
Friday 14.02
Saturday 13.35
Sunday 14.21

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
United 1
Southwest 0
Frontier 0
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)
11am 16 111 8 136
3pm 14 114 9 140
5am 14 113 9 138
9pm 14 109 8 133
7pm 15 111 7 135
5pm 17 110 7 138
8pm 16 110 7 135
12pm 14 111 6 132
6am 16 108 9 137
7am 16 112 7 137
8am 14 111 5 131
6pm 16 111 10 140
4pm 14 111 9 138
9am 16 112 8 137
2pm 15 117 13 148
10pm 12 111 7 131
1pm 16 112 10 140
10am 17 112 6 136
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.