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Showing Alaska only (incl. its regional partners)All airlines ×
460 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Alaska’s CMH → SEA flights land within a few points of 73% on time whatever the hour.

Best time to leave 7–8 am 82% arrive on time from CMH
Best single flight AS 450 CMH 18:07 → SEA 20:15 · 68% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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CMH
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% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
AS 450 CMH 18:07 SEA 20:15 68%

All 3 Alaska flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
AS 283 CMH 07:00 SEA 09:07 5h 07m 52 81% 0.0% 38 min
AS 456 CMH 07:00 SEA 09:12 5h 12m 27 85% 0.0% 40 min
AS 450 CMH 18:07 SEA 20:15 5h 08m 302 68% 0.7% 51 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Alaska CMH SEA 5h 08m 73% 1.1% 460 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON