The flight time from Seattle to Houston is 4 hours, 12 minutes. See Data as Tables

Average Timeline

Leaves SEA Seattle, WA 3 minutes early.
18 minutes taxiing out
3 hours, 44 minutes in the air
8 minutes taxiing in
Arrives IAH Houston, TX 5 minutes early.

Flight Reliability By Airline ?

United
89%
Alaska
83%
Spirit
63%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Seattle to Houston is 4 hours, 12 minutes. The time spent in the air is 3 hours, 44 minutes.

The flight distance from Seattle to Houston is 1874 Miles.

Reverse Journey

Houston to Seattle
4 hours, 43 minutes

Flight Time By Airline ?

Spirit
4h 6m
United
4h 10m
Alaska
4h 20m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM1h2h3h4h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM0.00.51.01.52.0

Flights Per Week

45

Distance

1874 Miles

Flights By Month ?

JFMAMJJASOND050100150200

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun0246

Flights By Airline ?
(Per Week)

United
30
Alaska
12
Spirit
2

Frequently Asked Questions

How far is Seattle from Houston by plane?

The distance from Seattle to Houston by plane is 1874 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from Seattle to Houston?

The flight time from Seattle to Houston is 4 hours, 12 minutes. The time spent in the air is 3 hours, 44 minutes. These numbers are averages. In reality, it varies by airline with Spirit being the fastest taking 4 hours, 6 minutes, and Alaska the slowest taking 4 hours, 20 minutes.

What airlines fly from Seattle to Houston?

Spirit, United, and Alaska are the airlines with direct flights from Seattle to Houston.

Does Southwest fly from Seattle to Houston?

Southwest does not fly from Seattle (SEA) 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 Seattle 3 minutes early
Taxi Out Time 18 minutes
In the Air 224 minutes
Taxiing In 8 minutes
Arrives Houston 5 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 Seattle to Houston, Alaska is 83% reliable, which means that Alaska flights are on time 83% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 89% 10% 1%
Alaska 83% 16% 1%
Spirit 63% 32% 5%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Seattle 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)
Spirit 12 224 9 246
United 17 224 7 250
Alaska 23 225 10 260

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 0.57
11pm 0.75
0am 0.6
9am 0.61
6pm 0.22
11am 0.21
6am 0.22
5am 0.24
12pm 1.55
7am 0.26
2pm 0.89
8am 0.35

Flights By Month Flights By Month Chart

The quantity of flights from Seattle 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 153
February 141
March 177
April 193
May 230
June 236
July 247
August 244
September 201
October 195
November 188
December 182

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Seattle 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 6.92
Tuesday 6.56
Wednesday 6.58
Thursday 6.79
Friday 6.75
Saturday 5.67
Sunday 6.63

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
Alaska 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)
5pm 21 222 9 252
11pm 14 219 5 240
0am 13 224 7 244
9am 17 225 7 250
6pm 20 223 10 256
11am 24 225 11 263
6am 17 223 6 245
5am 14 230 7 252
12pm 25 227 9 263
7am 17 221 8 248
2pm 19 226 7 255
8am 20 222 7 249
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.