The nonstop is quickest: Alaska CMH → SEA (5h 08m), on time 72% of the time. Delta via Salt Lake City (8h 22m) is more reliable, 85%, but takes 3h 14m longer.
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).
Pick an hour to see this route’s flights leaving then.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Alaska | 460 | 73% | 1.1% | 49 min |
| Delta | 1 | – | 0.0% | – |
| American | 1 | – | 0.0% | – |
| United | 1 | – | 0.0% | – |
| Southwest | 1 | – | 0.0% | 54 min |
Dimmed: fewer than 150 flights in the year, too few to rank.
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% |
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.
Alternatives with one stop
All connections →| DeltaDetails → | CMH 07:00 → MSP 08:03DL 2403 | 1h 02m Minneapolis | MSP 09:05 → SEA 10:59DL 868 | 6h 59m | 96% | 82% |
| SouthwestDetails → | CMH 05:45 → DEN 06:50WN 1186 | 55m Denver | DEN 07:45 → SEA 09:45WN 1713 | 7h 00m | 95% | 80% |
| UnitedDetails → | CMH 05:30 → ORD 06:09UA 3524 · flown by Republic | 51m Chicago | ORD 07:00 → SEA 09:40UA 341 | 7h 10m | 90% | 79% |
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