SEA → CMHSeattle to Columbus

live

Direct flights from Seattle (SEA) to Columbus (CMH): 7 nonstop departures observed each week across 1 airline. The median arrival is 11 minutes early. No cancellations were recorded across the 3 tracked flights. The nonstop covers 3,236 km, an estimated 4 hours 39 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Columbus. Updated 25 October 2026 at 23:22 UTC.

Today, SEA → CMH

Sun 25 Oct · local times
  1. 13:25 AS1640Alaska Departed ·

Checked SEA board 16:22 · CMH board 18:52

SEA Seattle smooth · +11
CMH Columbus smooth · +0
3,236 km · ~4h 39m est.
dep bank 13:25–13:257x weekly
Running clean · 1 airline · 7x weekly · nonstop
92 / 100

route health from live SEA and CMH delay boards

Median arrival delay is −11 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−11 minacross the last 3 operated legs
Flight time~4h 39mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS

Flights AS1640 13:25 Th Fr Sa Su · AS463 13:25 daily

History

operated legs · board outcomes
10-24AS463arrived−1
10-22AS1640arrived−11
10-20AS463arrived−12

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +11 min smooth 🌤 overcast · 4 kt Full SEA delay board →
CMHColumbus +0 min smooth 🌤 mostly cloudy · N 0 kt Full CMH delay board →

Weather lens

Current conditions put the pressure at SEA and CMH: 37% odds of a 15+ minute delay and around +6 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Seattle to Columbus route actually runs

Pro Flight Search records official board updates for nonstop SEA to CMH flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Seattle (SEA) to Columbus (CMH) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-CMH
How we measure this →

SEA to CMH questions

Is SEA–CMH running on time right now?

Smooth skies ahead. The departure side at SEA is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–CMH?

Operators schedule 2 departures from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CMH delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to CMH?

Great-circle distance is 3,236 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 258–307 min gate-to-gate on this route.

How often does SEA–CMH fly?

Alaska Airlines runs the route with about 11 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.