Showing Southwest only (incl. its regional partners)All airlines ×
68 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines
No clear winner: Southwest’s RSW → BUF flights land within a few points of 78% on time whatever the hour.
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 | RSW | BUF | 2h 50m | 78% | 1.5% | 68 | Not flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | RSW 05:10 → MDW 07:00WN 1243 | 52m Chicago | MDW 07:52 → BUF 10:25WN 758 | 5h 12m | 96% | 90% |
| SouthwestDetails → | RSW 06:30 → BWI 08:50WN 3463 | 2h 00m Baltimore | BWI 10:50 → BUF 12:05WN 762 | 5h 35m | 100% | 85% |
| SouthwestDetails → | RSW 18:55 → BWI 21:30WN 4294 | 1h 25m Baltimore | BWI 22:55 → BUF 00:15 +1WN 4577 | 5h 15m | 82% | 49% |
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