The flight time from Seattle to Dallas is 3 hours, 53 minutes. See Data as Tables

Average Timeline

Leaves SEA Seattle, WA 3 minutes early.
24 minutes taxiing out
3 hours, 24 minutes in the air
5 minutes taxiing in
Arrives DAL Dallas, TX 4 minutes early.

Flight Reliability By Airline ?

Alaska
88%
Southwest
69%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Seattle to Dallas is 3 hours, 53 minutes. The time spent in the air is 3 hours, 24 minutes.

The flight distance from Seattle to Dallas is 1670 Miles.

Reverse Journey

Dallas to Seattle
4 hours, 12 minutes

Flight Time By Airline ?

Southwest
3h 43m
Alaska
3h 54m
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)

12AM06AM12PM06PM0.00.20.40.60.81.0

Flights Per Week

8

Distance

1670 Miles

Flights By Month ?

JFMAMJJASOND0204060

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun0.00.51.01.52.0

Flights By Airline ?
(Per Week)

Alaska
8
Southwest
0

Frequently Asked Questions

How far is Seattle from Dallas by plane?

The distance from Seattle to Dallas by plane is 1670 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 Dallas?

The flight time from Seattle to Dallas is 3 hours, 53 minutes. The time spent in the air is 3 hours, 24 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 3 hours, 43 minutes, and Alaska the slowest taking 3 hours, 54 minutes.

What airlines fly from Seattle to Dallas?

Alaska and Southwest are the airlines with direct flights from Seattle to Dallas.

Does Southwest fly from Seattle to Dallas?

Yes! Southwest does fly from Seattle (SEA) to Dallas (DAL). On average, they have 0 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 Seattle 3 minutes early
Taxi Out Time 24 minutes
In the Air 204 minutes
Taxiing In 5 minutes
Arrives Dallas 4 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 Dallas, Southwest is 69% reliable, which means that Southwest flights are on time 69% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Alaska 88% 12% 0%
Southwest 69% 31% 0%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Seattle and Dallas, 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 16 199 4 223
Alaska 24 205 5 234

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 0.17
11am 0.18
7am 0.54
6pm 0.06
8am 0.07
10am 0.08
12pm 0.04
1pm 0.08

Flights By Month Flights By Month Chart

The quantity of flights from Seattle to Dallas 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 28
February 24
March 28
April 30
May 31
June 48
July 67
August 64
September 36
October 31
November 29
December 31

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Seattle to Dallas 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 1.23
Tuesday 1.19
Wednesday 1.21
Thursday 1.19
Friday 1.23
Saturday 1.29
Sunday 1.25

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
Alaska 0
Southwest 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 23 202 5 230
11am 20 205 4 231
7am 26 204 5 235
6pm 22 205 5 235
8am 24 215 5 245
10am 18 205 4 229
12pm 24 204 5 231
1pm 16 202 6 228
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.