Showing Southwest only (incl. its regional partners)All airlines ×

1,035 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Southwest’s BNA → CMH flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 9–10 am 95% arrive on time from BNA

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).

BNA

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

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 4 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 4427	BNA 10:05	CMH 12:25	1h 20m	57	86%	0.0%	79 min
WN 481	BNA 16:30	CMH 18:50	1h 20m	50	42%	0.0%	55 min
WN 5059	BNA 18:40	CMH 21:02	1h 22m	26	80%	3.8%	94 min
WN 850	BNA 19:40	CMH 22:00	1h 20m	57	40%	0.0%	70 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	BNA	CMH	1h 20m	79%	0.6%	1,035	Flying now

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