Showing Southwest only (incl. its regional partners)All airlines ×
1 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines
No nonstop, and no clear pattern: the best connection reaches Seattle on time 4 times in 5.
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.
No Southwest flight on this route ran 150+ times in the year.
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.
| Southwest | CMH | SEA | – | 0%few flights | 0.0% | 1 | Not flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | CMH 05:45 → DEN 06:50WN 1186 | 55m Denver | DEN 07:45 → SEA 09:45WN 1713 | 7h 00m | 95% | 80% |
| SouthwestDetails → | CMH 09:00 → MDW 09:10WN 1197 | 1h 30m Chicago | MDW 10:40 → SEA 13:10WN 1340 | 7h 10m | 98% | 48% |
| SouthwestDetails → | CMH 10:50 → AUS 12:35WN 1178 | 1h 45m Austin | AUS 14:20 → SEA 16:40WN 393 | 8h 50m | 95% | 48% |
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