Average TimelineLeaves IAD Washington, DC 4 minutes early.
Flight Reliability By Airline ?
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The flight time from Washington to Seattle is 5 hours, 43 minutes. The time spent in the air is 5 hours, 18 minutes.
The flight distance from Washington to Seattle is 2306 Miles.
Reverse JourneySeattle to Washington
Flight Time By Airline ?
Flight Time by Time of Day ?
Flights By Time of Day ? (Average)
Flights Per Week
Flights By Month ?
Flights By Day of Week ? (Average)
Flights By Airline ? (Per Week)
Frequently Asked Questions
How far is Washington from Seattle by plane?
How long is the flight from Washington to Seattle?
What airlines fly from Washington to Seattle?
Does Southwest fly from Washington to Seattle?
Tables and Explanations
Data SourceOur 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 Washington||4 minutes early|
|Taxi Out Time||15 minutes|
|In the Air||318 minutes|
|Taxiing In||7 minutes|
|Arrives Seattle||10 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 Washington to Seattle, Alaska is 87% reliable, which means that Alaska flights are on time 87% of the time, and cancelled or delayed the remaining time.
|Airline||Normal Flights||Arrival Delayed*||Flight Cancelled|
Flight Time By Airline Flight Time By Airline Chart
Each airline takes a different amount of time to fly between Washington and Seattle, 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 |
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.
Flights By Month Flights By Month Chart
The quantity of flights from Washington to Seattle 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.
Flights By Day Of Week Flights By Day of Week Chart
The quantity of flights from Washington to Seattle 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.
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|
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 |