The flight time from Seattle to Boston is 5 hours, 4 minutes. See Data as Tables

Average Timeline

Leaves SEA Seattle, WA 4 minutes early.
16 minutes taxiing out
4 hours, 39 minutes in the air
6 minutes taxiing in
Arrives BOS Boston, MA 17 minutes early.

Flight Reliability By Airline ?

Alaska
93%
Delta
92%
JetBlue
86%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Seattle to Boston is 5 hours, 4 minutes. The time spent in the air is 4 hours, 39 minutes.

The flight distance from Seattle to Boston is 2496 Miles.

Reverse Journey

Boston to Seattle
6 hours, 13 minutes

Flight Time By Airline ?

JetBlue
5h 1m
Delta
5h 2m
Alaska
5h 5m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM1h2h3h4h5h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM0.00.20.40.60.81.0

Flights Per Week

29

Distance

2496 Miles

Flights By Month ?

JFMAMJJASOND050100150

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun012345

Flights By Airline ?
(Per Week)

Alaska
13
Delta
8
JetBlue
7

Frequently Asked Questions

How far is Seattle from Boston by plane?

The distance from Seattle to Boston by plane is 2496 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 Boston?

The flight time from Seattle to Boston is 5 hours, 4 minutes. The time spent in the air is 4 hours, 39 minutes. These numbers are averages. In reality, it varies by airline with JetBlue being the fastest taking 5 hours, 1 minute, and Alaska the slowest taking 5 hours, 5 minutes.

What airlines fly from Seattle to Boston?

JetBlue, Alaska, and Delta are the airlines with direct flights from Seattle to Boston.

Does Southwest fly from Seattle to Boston?

Southwest does not fly from Seattle (SEA) to Boston (BOS). 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 4 minutes early
Taxi Out Time 16 minutes
In the Air 279 minutes
Taxiing In 6 minutes
Arrives Boston 17 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 Boston, Alaska is 93% reliable, which means that Alaska flights are on time 93% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
Alaska 93% 6% 1%
Delta 92% 3% 5%
JetBlue 86% 11% 3%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Seattle and Boston, 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)
JetBlue 14 278 7 301
Delta 16 277 7 302
Alaska 17 281 5 305

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
10am 0.18
3pm 0.36
7am 0.88
4pm 0.16
6am 0.01
2pm 0.13
11am 0.69
8am 0.31
9am 0.09
9pm 0.57
11pm 0.49
10pm 0.18
12pm 0.03
1pm 0.07

Flights By Month Flights By Month Chart

The quantity of flights from Seattle to Boston 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 156
February 150
March 166
April 49
May 40
June 65
July 120
August 175
September 166
October 149
November 160
December 160

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Seattle to Boston 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 4.35
Tuesday 3.88
Wednesday 4.19
Thursday 4.69
Friday 4.58
Saturday 3.5
Sunday 4.73

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
Delta 0
JetBlue 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)
10am 16 279 8 306
3pm 15 278 5 300
7am 20 279 6 306
4pm 15 279 5 300
6am 18 280 6 303
2pm 12 281 5 299
11am 17 280 7 306
8am 22 283 6 312
9am 14 283 6 303
9pm 15 277 6 300
11pm 13 277 6 297
10pm 16 276 10 301
12pm 18 272 4 298
1pm 15 291 4 311
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.