The flight time from San Antonio to Houston is 1 hour. See Data as Tables

Average Timeline

Leaves SAT San Antonio, TX 4 minutes early.
14 minutes taxiing out
38 minutes in the air
7 minutes taxiing in
Arrives IAH Houston, TX 6 minutes early.

Flight Reliability By Airline ?

United
82%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from San Antonio to Houston is 1 hour. The time spent in the air is 38 minutes.

The flight distance from San Antonio to Houston is 191 Miles.

Reverse Journey

Houston to San Antonio
59 minutes

Flight Time By Airline ?

United
1h
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM 15m 30m 45m1h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM0.00.51.01.52.0

Flights Per Week

54

Distance

191 Miles

Flights By Month ?

JFMAMJJASOND050100150200

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun02468

Flights By Airline ?
(Per Week)

United
54

Frequently Asked Questions

How far is San Antonio from Houston by plane?

The distance from San Antonio to Houston by plane is 191 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from San Antonio to Houston?

The flight time from San Antonio to Houston is 1 hour. The time spent in the air is 38 minutes. These numbers are averages.

What airlines fly from San Antonio to Houston?

United is the only airline with direct flights from San Antonio to Houston.

Does Southwest fly from San Antonio to Houston?

Southwest does not fly from San Antonio (SAT) 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 San Antonio 4 minutes early
Taxi Out Time 14 minutes
In the Air 38 minutes
Taxiing In 7 minutes
Arrives Houston 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 San Antonio to Houston, United is 82% reliable, which means that United flights are on time 82% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 82% 17% 1%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between San Antonio 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)
United 14 38 7 60

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
5pm 0.94
6pm 0.22
7am 1.08
11am 0.01
9pm 0
6am 0.18
9am 0.97
7pm 0.45
2pm 0.94
1pm 0.01
4pm 0.99
12pm 0.95
5am 0.9

Flights By Month Flights By Month Chart

The quantity of flights from San Antonio 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 231
February 214
March 233
April 230
May 243
June 225
July 235
August 243
September 237
October 246
November 236
December 245

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from San Antonio 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 7.77
Tuesday 7.96
Wednesday 7.92
Thursday 7.87
Friday 7.9
Saturday 7.42
Sunday 7.35

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
United 1

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)
5pm 16 37 8 68
6pm 12 36 10 61
7am 15 39 5 61
11am 15 38 12 66
9pm 27 36 5 68
6am 13 36 6 56
9am 13 38 6 58
7pm 11 36 10 60
2pm 14 39 8 61
1pm 16 38 7 63
4pm 15 38 7 62
12pm 14 39 6 61
5am 12 35 6 55
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.