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 Buffalo 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 | ATL | BUF | – | 0%few flights | 0.0% | 1 | Not flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | ATL 07:00 → BWI 08:50WN 4364 | 2h 00m Baltimore | BWI 10:50 → BUF 12:05WN 762 | 5h 05m | 97% | 80% |
| SouthwestDetails → | ATL 10:00 → MDW 11:00WN 224 | 2h 00m Chicago | MDW 13:00 → BUF 15:30WN 1655 | 5h 30m | 96% | 61% |
| SouthwestDetails → | ATL 10:15 → BWI 12:10WN 186 | 50m Baltimore | BWI 13:00 → BUF 14:15WN 894 | 4h 00m | 76% | 60% |
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