Alaska Airlines flights from John Glenn Columbus (CMH) to Seattle-Tacoma (SEA).

FLIGHT SCHEDULE
Direct Flights:
Wed 18:25 John Glenn Columbus (CMH) 20:35 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:10 Operates only on 2026-03-18
Daily 18:25 John Glenn Columbus (CMH) 20:39 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:14 Effective 2026-03-19 through 2026-05-12
Daily 18:28 John Glenn Columbus (CMH) 20:38 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:10 Effective from 2026-06-10
Daily 18:33 John Glenn Columbus (CMH) 20:35 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:02 Effective 2026-05-13 through 2026-06-09
Sat 18:44 John Glenn Columbus (CMH) 20:59 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:15 Valid until 2026-01-03
Mon-Thu 18:44 John Glenn Columbus (CMH) 20:59 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 MAX 9 (7M9) 5:15 Valid until 2026-01-05
Fri,Sun 18:44 John Glenn Columbus (CMH) 20:59 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737-800 (73H) 5:15 Effective 2026-01-02 through 2026-01-04
Wed,Thu,Sun 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-02-12 through 2026-02-18
Mon,Thu,Fri 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:21 Effective 2026-02-13 through 2026-02-19
Mon,Wed,Fri,Sun 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-02-20 through 2026-03-04
Thu 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:21 Effective 2026-02-26 through 2026-03-05
Thu,Fri 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:21 Effective 2026-03-06 through 2026-03-13
Mon,Wed,Sun 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-03-08 through 2026-03-15
Mon 18:51 John Glenn Columbus (CMH) 21:12 Seattle-Tacoma (SEA) Alaska Airlines AS 450 Non-stop Boeing 737 (73J) 5:21 Operates only on 2026-03-16
Daily 07:00 John Glenn Columbus (CMH) 09:05 Seattle-Tacoma (SEA) Alaska Airlines AS 456 Non-stop Boeing 737 (73J) 5:05 Effective 2026-05-13 through 2026-06-09
Daily 07:00 John Glenn Columbus (CMH) 09:09 Seattle-Tacoma (SEA) Alaska Airlines AS 456 Non-stop Boeing 737 (73J) 5:09 Effective 2026-06-10 through 2026-10-02
Wed 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 608 Non-stop Boeing 737 (73J) 5:25 Operates only on 2026-01-07
Mon,Wed,Thu,Sun 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737 (73J) 5:25 Effective 2026-01-08 through 2026-01-14
Fri 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2026-01-09 through 2026-01-16
Thu 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737-800 (73H) 5:25 Operates only on 2026-01-15
Mon,Wed-Fri,Sun 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737 (73J) 5:25 Effective 2026-01-18 through 2026-01-29
Mon,Fri 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2026-01-30 through 2026-02-06
Wed,Thu,Sun 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737 (73J) 5:25 Effective 2026-02-01 through 2026-02-11
Mon 08:00 John Glenn Columbus (CMH) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 624 Non-stop Boeing 737-800 (73H) 5:25 Operates only on 2026-02-09
Wed 19:27 John Glenn Columbus (CMH) 21:52 Seattle-Tacoma (SEA) Alaska Airlines AS 751 Non-stop Boeing 737 (73J) 5:25 Operates only on 2026-02-11

A domestic route departing from the John Glenn Columbus airport (CMH) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 2011 miles, or 3236 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 5:02 and 5:25.

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS450

18:25

John Glenn Columbus (CMH)

20:35

Seattle-Tacoma (SEA)

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:25

John Glenn Columbus (CMH)

20:39

Seattle-Tacoma (SEA)

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:14, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:28

John Glenn Columbus (CMH)

20:38

Seattle-Tacoma (SEA)

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:33

John Glenn Columbus (CMH)

20:35

Seattle-Tacoma (SEA)

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:02, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:44

John Glenn Columbus (CMH)

20:59

Seattle-Tacoma (SEA)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:15, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:44

John Glenn Columbus (CMH)

20:59

Seattle-Tacoma (SEA)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:15, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS450

18:44

John Glenn Columbus (CMH)

20:59

Seattle-Tacoma (SEA)

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 5:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-02-18

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

Effective 2026-02-13 through 2026-02-19

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

Effective 2026-02-20 through 2026-03-04

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

Effective 2026-02-26 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-15

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS450

18:51

John Glenn Columbus (CMH)

21:12

Seattle-Tacoma (SEA)

Operates only on 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS456

07:00

John Glenn Columbus (CMH)

09:05

Seattle-Tacoma (SEA)

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS456

07:00

John Glenn Columbus (CMH)

09:09

Seattle-Tacoma (SEA)

Effective 2026-06-10 through 2026-10-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS608

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Effective 2026-01-08 through 2026-01-14

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Effective 2026-01-09 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Operates only on 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Effective 2026-01-18 through 2026-01-29

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Effective 2026-01-30 through 2026-02-06

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS624

08:00

John Glenn Columbus (CMH)

10:25

Seattle-Tacoma (SEA)

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS751

19:27

John Glenn Columbus (CMH)

21:52

Seattle-Tacoma (SEA)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 (73J)

A domestic route departing from the John Glenn Columbus airport (CMH) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 2011 miles, or 3236 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 5:02 and 5:25.

All CMH-SEA flights

All Alaska Airlines flights

Return (SEA-CMH) flights

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