The nonstop is quickest: Southwest AUS → BOS (3h 55m), on time 56% of the time. Southwest via Midway (6h 23m) is more reliable, 87%, but takes 2h 28m 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.
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 2 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.
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 | AUS | BOS | 3h 55m | 57% | 1.8% | 282 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | AUS 05:25 → BWI 09:40WN 967 | 1h 00m Baltimore | BWI 10:40 → BOS 12:10WN 887 | 5h 45m | 100% | 80% |
| SouthwestDetails → | AUS 07:15 → STL 09:15WN 408 | 50m St Louis | STL 10:05 → BOS 13:40WN 3891 | 5h 25m | 80% | 65% |
| SouthwestDetails → | AUS 07:10 → BNA 09:15WN 256 | 55m Nashville | BNA 10:10 → BOS 13:38WN 4560 | 5h 28m | 88% | 62% |
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