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Showing Southwest only (incl. its regional partners)All airlines ×
838 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 57%.

Best time to leave 7–8 am 97% 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).

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CMH
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% 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 1191 CMH 06:45 LAS 08:00 4h 15m 26 96% 0.0% 25 min
WN 3727 CMH 06:55 LAS 08:10 4h 15m 16 100% 0.0% –
WN 1192 CMH 15:25 LAS 16:45 4h 20m 34 68% 0.0% 66 min
WN 1365 CMH 19:20 LAS 20:40 4h 20m 16 50% 0.0% 42 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 LAS 4h 25m 80% 0.5% 838 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → CMH 05:45 → DEN 06:50WN 1186 50m Denver DEN 07:40 → LAS 08:35WN 1559 5h 50m 90% 79%
SouthwestDetails → CMH 07:12 → STL 07:38WN 1207 1h 37m St Louis STL 09:15 → LAS 10:40WN 2327 6h 28m 100% 77%
SouthwestDetails → CMH 09:00 → MDW 09:10WN 1197 1h 00m Chicago MDW 10:10 → LAS 12:00WN 2794 6h 00m 95% 75%
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