The flight time from Seattle to Portland is 51 minutes. See Data as Tables

Average Timeline

Leaves SEA Seattle, WA 2 minutes early.
16 minutes taxiing out
30 minutes in the air
4 minutes taxiing in
Arrives PDX Portland, OR 5 minutes early.

Flight Reliability By Airline ?


Flight Summary

The flight time from Seattle to Portland is 51 minutes. The time spent in the air is 30 minutes.

The flight distance from Seattle to Portland is 129 Miles.

Reverse Journey

Portland to Seattle
57 minutes

Flight Time By Airline ?

Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

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

Flights By Time of Day ?


Flights Per Week



129 Miles

Flights By Month ?


Flights By Day of Week ?


Flights By Airline ?
(Per Week)


Frequently Asked Questions

How far is Seattle from Portland by plane?

The distance from Seattle to Portland by plane is 129 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 Portland?

The flight time from Seattle to Portland is 51 minutes. The time spent in the air is 30 minutes. These numbers are averages. In reality, it varies by airline with Alaska being the fastest taking 51 minutes, and Delta the slowest taking 52 minutes.

What airlines fly from Seattle to Portland?

Delta and Alaska are the airlines with direct flights from Seattle to Portland.

Does Southwest fly from Seattle to Portland?

Southwest does not fly from Seattle (SEA) to Portland (PDX). 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 2 minutes early
Taxi Out Time 16 minutes
In the Air 30 minutes
Taxiing In 4 minutes
Arrives Portland 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 Portland, Alaska is 85% reliable, which means that Alaska flights are on time 85% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Alaska 85% 13% 2%
Delta 84% 15% 1%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Seattle and Portland, 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
In the Air
Taxiing In
Alaska 15 30 4 51
Delta 18 29 4 52

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
7am 2.25
12pm 0.76
5am 0.26
8pm 1.46
4pm 0.73
10am 0.34
7pm 1.94
2pm 1.22
11pm 1.06
11am 2.42
10pm 1.62
6pm 0.87
9am 2.53
9pm 1.48
8am 1.11
6am 1.56
1pm 1.11
5pm 1.97
3pm 2.19

Flights By Month Flights By Month Chart

The quantity of flights from Seattle to Portland 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 917
February 830
March 736
April 696
May 721
June 758
July 862
August 914
September 888
October 996
November 795
December 875

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Seattle to Portland 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 28.5
Tuesday 28.9
Wednesday 28.29
Thursday 28.21
Friday 28.42
Saturday 25.1
Sunday 24.65

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 3
Delta 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
In the Air
Taxi In
7am 18 29 4 53
12pm 17 31 4 53
5am 11 30 4 46
8pm 13 30 5 49
4pm 13 31 4 50
10am 24 30 4 59
7pm 15 30 4 49
2pm 18 31 4 53
11pm 16 28 4 48
11am 18 30 4 54
10pm 14 29 4 48
6pm 12 30 4 48
9am 18 30 4 53
9pm 19 28 4 52
8am 22 30 4 57
6am 15 29 5 50
1pm 17 30 4 52
5pm 15 31 4 52
3pm 15 31 4 52
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.