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

The best bet has a stop: Southwest via Denver (6h 05m) reaches Austin on time 85% of the time, against 48% on the nonstop.

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.

All 1 Southwest 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.

WN 4956 SEA 13:30 AUS 19:40 4h 10m 50 40% 0.0% 56 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.

Southwest SEA AUS 4h 10m 48% 0.0% 58 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → SEA 05:15 → DEN 08:50WN 3615 1h 10m Denver DEN 10:00 → AUS 13:20WN 2263 6h 05m 96% 85%
SouthwestDetails → SEA 07:50 → DEN 11:25WN 3397 1h 15m Denver DEN 12:40 → AUS 15:50WN 1476 6h 00m 98% 45%
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