Delta Air Lines flights from Boston Logan (BOS) to Seattle-Tacoma (SEA).

FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 17:20 Boston Logan (BOS) A 20:44 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:24 Effective 2026-01-06 through 2026-02-11
Daily 18:35 Boston Logan (BOS) A 21:50 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:15 Valid until 2026-01-04
Daily 18:35 Boston Logan (BOS) A 22:05 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-04-13 through 2026-10-05
Daily 18:42 Boston Logan (BOS) A 22:03 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:21 Effective 2026-03-08 through 2026-03-14
Daily 18:42 Boston Logan (BOS) A 22:05 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:23 Effective 2026-03-15 through 2026-04-12
Mon,Thu-Sun 18:45 Boston Logan (BOS) A 22:13 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:28 Effective 2026-01-05 through 2026-02-09
Daily 18:57 Boston Logan (BOS) A 22:25 Seattle-Tacoma (SEA) Delta Air Lines DL 324 Non-stop Airbus A321neo (32Q) 6:28 Effective 2026-02-12 through 2026-03-07
Mon-Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:23 Effective 2026-04-13 through 2026-05-22
Sat 11:00 Boston Logan (BOS) A 14:40 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:40 Operates only on 2026-05-09
Sat 11:00 Boston Logan (BOS) A 14:40 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:40 Effective 2026-05-16 through 2026-06-06
Sun 11:00 Boston Logan (BOS) A 14:40 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:40 Operates only on 2026-05-24
Mon-Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:23 Effective 2026-05-25 through 2026-09-04
Sat 11:00 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:31 Effective 2026-06-13 through 2026-10-03
Sun 11:00 Boston Logan (BOS) A 14:40 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:40 Operates only on 2026-09-06
Mon-Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:23 Effective 2026-09-07 through 2026-10-05
Daily 11:00 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:31 Effective from 2026-10-06
Mon-Fri,Sun 11:10 Boston Logan (BOS) A 14:29 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:19 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 11:10 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA) Delta Air Lines DL 332 Non-stop Airbus A321neo (32Q) 6:21 Effective 2026-03-15 through 2026-04-12
Mon-Fri,Sun 07:05 Boston Logan (BOS) A 10:32 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:27 Effective 2026-04-13 through 2026-05-08
Daily 07:05 Boston Logan (BOS) A 10:32 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:27 Effective 2026-05-09 through 2026-10-05
Daily 07:05 Boston Logan (BOS) A 10:43 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:38 Effective from 2026-10-06
Mon-Fri,Sun 07:10 Boston Logan (BOS) A 10:35 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:25 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 07:10 Boston Logan (BOS) A 10:37 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:27 Effective 2026-03-15 through 2026-04-12
Daily 07:15 Boston Logan (BOS) A 10:45 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:30 Valid until 2026-03-07
Sat 09:33 Boston Logan (BOS) A 12:58 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:25 Operates only on 2026-03-14
Sat 09:33 Boston Logan (BOS) A 13:00 Seattle-Tacoma (SEA) Delta Air Lines DL 384 Non-stop Airbus A321neo (32Q) 6:27 Effective 2026-03-21 through 2026-05-02
Daily 18:35 Boston Logan (BOS) A 22:09 Seattle-Tacoma (SEA) Delta Air Lines DL 797 Non-stop Airbus A321neo (32Q) 6:34 Effective from 2026-10-06
Mon-Fri,Sun 15:30 Boston Logan (BOS) A 19:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2889 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-05-07 through 2026-05-22
Mon-Fri,Sun 15:30 Boston Logan (BOS) A 19:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2889 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-05-25 through 2026-10-05
Mon-Fri,Sun 15:30 Boston Logan (BOS) A 18:59 Seattle-Tacoma (SEA) Delta Air Lines DL 2889 Non-stop Airbus A321neo (32Q) 6:29 Effective from 2026-10-06
Sun 19:56 Boston Logan (BOS) A 23:16 Seattle-Tacoma (SEA) Delta Air Lines DL 8795 Non-stop Boeing 737-800 (738) 6:20 Operates only on 2026-01-04

A domestic route departing from the Boston Logan airport (BOS) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 2487 miles, or 4003 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . 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 6:15 and 6:40.

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL324

17:20

Boston Logan (BOS) A

20:44

Seattle-Tacoma (SEA)

Effective 2026-01-06 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:24, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL324

18:35

Boston Logan (BOS) A

21:50

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:15, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL324

18:35

Boston Logan (BOS) A

22:05

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL324

18:42

Boston Logan (BOS) A

22:03

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:21, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL324

18:42

Boston Logan (BOS) A

22:05

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:23, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL324

18:45

Boston Logan (BOS) A

22:13

Seattle-Tacoma (SEA)

Effective 2026-01-05 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 6:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL324

18:57

Boston Logan (BOS) A

22:25

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:23

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-05-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:23, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:40

Seattle-Tacoma (SEA)

Operates only on 2026-05-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:40

Seattle-Tacoma (SEA)

Effective 2026-05-16 through 2026-06-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:40

Seattle-Tacoma (SEA)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:23

Seattle-Tacoma (SEA)

Effective 2026-05-25 through 2026-09-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:23, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:31

Seattle-Tacoma (SEA)

Effective 2026-06-13 through 2026-10-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:40

Seattle-Tacoma (SEA)

Operates only on 2026-09-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:23

Seattle-Tacoma (SEA)

Effective 2026-09-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:23, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:00

Boston Logan (BOS) A

14:31

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:10

Boston Logan (BOS) A

14:29

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:19, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL332

11:10

Boston Logan (BOS) A

14:31

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:21, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

07:05

Boston Logan (BOS) A

10:32

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-05-08

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:27, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

07:05

Boston Logan (BOS) A

10:32

Seattle-Tacoma (SEA)

Effective 2026-05-09 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:27, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

07:05

Boston Logan (BOS) A

10:43

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

07:10

Boston Logan (BOS) A

10:35

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

07:10

Boston Logan (BOS) A

10:37

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:27, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

07:15

Boston Logan (BOS) A

10:45

Seattle-Tacoma (SEA)

Valid until 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

09:33

Boston Logan (BOS) A

12:58

Seattle-Tacoma (SEA)

Operates only on 2026-03-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL384

09:33

Boston Logan (BOS) A

13:00

Seattle-Tacoma (SEA)

Effective 2026-03-21 through 2026-05-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:27, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL797

18:35

Boston Logan (BOS) A

22:09

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:34, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL2889

15:30

Boston Logan (BOS) A

19:00

Seattle-Tacoma (SEA)

Effective 2026-05-07 through 2026-05-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL2889

15:30

Boston Logan (BOS) A

19:00

Seattle-Tacoma (SEA)

Effective 2026-05-25 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL2889

15:30

Boston Logan (BOS) A

18:59

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL8795

19:56

Boston Logan (BOS) A

23:16

Seattle-Tacoma (SEA)

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:20, non-stop
Boeing 737-800 (738)

A domestic route departing from the Boston Logan airport (BOS) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 2487 miles, or 4003 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . 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 6:15 and 6:40.

All BOS-SEA flights

All Delta Air Lines flights

Return (SEA-BOS) flights

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