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

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

Leave before 9 am: 96% depart on time. After 4 pm it’s 63%.

Best time to leave 5–6 am 95% arrive on time from CMH

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).

CMH

% 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 5 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 1186	CMH 05:45	DEN 06:50	3h 05m	58	97%	0.0%	92 min
WN 4386	CMH 10:32	DEN 11:32	3h 00m	16	75%	0.0%	98 min
WN 779	CMH 12:15	DEN 13:15	3h 00m	26	88%	0.0%	237 min
WN 1150	CMH 18:10	DEN 19:20	3h 10m	16	50%	0.0%	89 min
WN 921	CMH 19:00	DEN 20:10	3h 10m	26	73%	0.0%	82 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	CMH	DEN	3h 10m	80%	0.4%	919	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