🇺🇸 SEA
Seattle
2492 mi
BOS 🇺🇸
Boston

Seattle to Boston Flights

Seattle–Tacoma International Airport Logan International Airport 3 airlines

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The Seattle to Boston route connects Seattle–Tacoma International Airport (SEA) in US with Logan International Airport (BOS) in US. This medium-haul flight covers approximately 2492 miles (4010 km) with a typical flight time of 5h 3m. This route is served by 3 airlines: Alaska Airlines, Delta Air Lines, JetBlue. AirportRoutes has tracked 5 unique flight numbers on this route.

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Departure Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

Destination Airport

Logan International Airport

ICAO Code:
KBOS
IATA Code:
BOS
City:
🇺🇸 Boston
Country:
US
Elevation:
20 ft

3

Operators

5

Tracked Flights

2492

Miles

5h 3m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Alaska Airlines ASA AS
Delta Air Lines DAL DL
JetBlue JBU B6

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 8 14%
Tuesday 7 12%
Wednesday 8 14%
Thursday 7 12%
Friday 10 17%
Saturday 8 14%
Sunday 11 19%

Pattern Analysis

5 Tracked Flights:
Data Points: 59
API observations used to build this analysis
Weekdays: 40 flights
Weekend: 19 flights
Business Route More active on weekdays

All Flight Routes

3 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B39M 09:34 9:34 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
A21N 23:00 11:00 PM (Representative)
M T W T F S S
Jun 19, 2026 Active
JetBlue
JBU / B6
A321 11:35 11:35 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
09:34 9:34 AM Alaska Airlines ASA AS
11:35 11:35 AM JetBlue JBU B6
23:00 11:00 PM Delta Air Lines DAL DL

Time Information

Times are shown in the departure airport's local timezone (KSEA - America/Los_Angeles).

Total Departure Times: 3
Time Range:
09:34 - 23:00
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.