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

No nonstop, and no clear pattern: the best connection reaches Portland on time 88% of the time.

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 STL PDX – 58%few flights 2.9% 34 Not flying now

Alternatives with one stop

All connections →
SouthwestDetails → STL 08:15 → SMF 10:15WN 4362 4h 00m Sacramento SMF 14:15 → PDX 15:45WN 422 9h 30m 100% 88%
SouthwestDetails → STL 05:40 → MDW 06:45WN 1008 3h 20m Chicago MDW 10:05 → PDX 12:25WN 2809 8h 45m 100% 82%
SouthwestDetails → STL 05:05 → DAL 06:45WN 1396 1h 10m Dallas DAL 07:55 → PDX 09:55WN 1377 6h 50m 92% 81%
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