LATAM Airlines flights from Seattle-Tacoma (SEA) to Boston Logan (BOS).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 22:25 Seattle-Tacoma (SEA) 06:49 Boston Logan (BOS) A LATAM Airlines LA 6141 Non-stop Airbus A320 (320) 5:24 Operates only on 2026-03-08 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sun 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 6141 Non-stop Airbus A320 (320) 5:25 Effective 2026-03-15 through 2026-03-22 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue,Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6237 Non-stop Airbus A320 (320) 5:35 Effective 2026-08-15 through 2026-08-29 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6237 Non-stop Airbus A320 (320) 5:35 Operates only on 2026-09-05 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sun 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 6257 Non-stop Airbus A320 (320) 5:33 Operates only on 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 5:35 Operates only on 2026-05-23 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 6386 Non-stop Airbus A320 (320) 5:25 Effective 2026-03-19 through 2026-03-26 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu 22:25 Seattle-Tacoma (SEA) 06:49 Boston Logan (BOS) A LATAM Airlines LA 6441 Non-stop Airbus A320 (320) 5:24 Operates only on 2026-03-12 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue,Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6466 Non-stop Airbus A320 (320) 5:35 Effective 2026-04-14 through 2026-05-16 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6466 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-21 through 2026-05-28 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6466 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-30 through 2026-07-04 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue,Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 6466 Non-stop Airbus A320 (320) 5:35 Effective 2026-07-07 through 2026-08-13 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 6466 Non-stop Airbus A320 (320) 5:25 Effective 2026-03-31 through 2026-04-07 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Thu,Sun 23:00 Seattle-Tacoma (SEA) 07:29 Boston Logan (BOS) A LATAM Airlines LA 6753 Non-stop Airbus A320 (320) 5:29 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7000 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-24 through 2026-05-27 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7000 Non-stop Airbus A320 (320) 5:35 Effective 2026-06-03 through 2026-09-09 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Mon 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7005 Non-stop Airbus A320 (320) 5:33 Operates only on 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7019 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-31 through 2026-06-28 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7019 Non-stop Airbus A320 (320) 5:35 Operates only on 2026-09-06 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7061 Non-stop Airbus A320 (320) 5:35 Effective 2026-08-20 through 2026-09-10 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7061 Non-stop Airbus A320 (320) 5:35 Effective 2026-09-12 through 2026-10-03 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7061 Non-stop Airbus A320 (320) 5:33 Effective 2026-10-08 through 2026-10-29 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 7094 Non-stop Airbus A320 (320) 5:25 Effective 2026-04-02 through 2026-04-11 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue 22:20 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 7126 Non-stop Airbus A320 (320) 5:30 Operates only on 2026-03-03 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue 22:25 Seattle-Tacoma (SEA) 06:49 Boston Logan (BOS) A LATAM Airlines LA 7126 Non-stop Airbus A320 (320) 5:24 Operates only on 2026-03-10 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 7126 Non-stop Airbus A320 (320) 5:25 Effective 2026-03-17 through 2026-03-24 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7134 Non-stop Airbus A320 (320) 5:35 Effective 2026-09-13 through 2026-10-04 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7134 Non-stop Airbus A320 (320) 5:33 Effective 2026-10-07 through 2026-10-21 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7134 Non-stop Airbus A320 (320) 5:33 Operates only on 2026-10-28 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 8444 Non-stop Airbus A320 (320) 5:35 Effective 2026-04-15 through 2026-05-13 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 8444 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-17 through 2026-05-20 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 8444 Non-stop Airbus A320 (320) 5:25 Effective 2026-04-01 through 2026-04-08 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Thu,Sun 22:20 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 8481 Non-stop Airbus A320 (320) 5:30 Effective 2026-02-12 through 2026-03-01 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu 22:20 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 8481 Non-stop Airbus A320 (320) 5:30 Operates only on 2026-03-05 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Thu,Sun 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 8481 Non-stop Airbus A320 (320) 5:25 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Boston Logan airport (BOS).
The flight distance is 2487 miles, or 4003 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 5:24 and 5:35.

Feedback - Disclaimer - Privacy

FLIGHT SCHEDULE

Direct Codeshare Flights:

LATAM Airlines LA6141

22:25

Seattle-Tacoma (SEA)

06:49(+1)

Boston Logan (BOS) A

Operates only on 2026-03-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:24, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6141

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-03-15 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6237

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-08-15 through 2026-08-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6237

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Operates only on 2026-09-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6257

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Operates only on 2026-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6317

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Operates only on 2026-05-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6386

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-03-19 through 2026-03-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6441

22:25

Seattle-Tacoma (SEA)

06:49(+1)

Boston Logan (BOS) A

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:24, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6466

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-04-14 through 2026-05-16

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6466

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-21 through 2026-05-28

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6466

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-30 through 2026-07-04

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6466

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-07-07 through 2026-08-13

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6466

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-03-31 through 2026-04-07

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6753

23:00

Seattle-Tacoma (SEA)

07:29(+1)

Boston Logan (BOS) A

Valid until 2026-01-04

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:29, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7000

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-24 through 2026-05-27

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7000

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-06-03 through 2026-09-09

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7005

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Operates only on 2026-10-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7019

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-31 through 2026-06-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7019

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Operates only on 2026-09-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7061

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-08-20 through 2026-09-10

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7061

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-09-12 through 2026-10-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7061

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Effective 2026-10-08 through 2026-10-29

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7094

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-04-02 through 2026-04-11

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7126

22:20

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Operates only on 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:30, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7126

22:25

Seattle-Tacoma (SEA)

06:49(+1)

Boston Logan (BOS) A

Operates only on 2026-03-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:24, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7126

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-03-17 through 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7134

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-09-13 through 2026-10-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7134

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Effective 2026-10-07 through 2026-10-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7134

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Operates only on 2026-10-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA8444

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-04-15 through 2026-05-13

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA8444

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-17 through 2026-05-20

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA8444

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-04-01 through 2026-04-08

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA8481

22:20

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-02-12 through 2026-03-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:30, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA8481

22:20

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:30, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA8481

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-01-07 through 2026-02-11

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Boston Logan airport (BOS).
The flight distance is 2487 miles, or 4003 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 5:24 and 5:35.

All SEA-BOS flights

All LATAM Airlines flights

Return (BOS-SEA) flights

Feedback - Disclaimer - Privacy