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

Leave before 9 am: 92% depart on time. After 4 pm it’s 2 in 5.

Best time to leave 6–7 am 94% arrive on time from ATL

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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ATL
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22
% 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 3 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 209 ATL 06:10 LAS 07:15 4h 05m 34 94% 0.0% 18 min
WN 1108 ATL 07:25 LAS 08:30 4h 05m 16 100% 0.0% –
WN 210 ATL 20:10 LAS 21:30 4h 20m 49 28% 2.0% 45 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 ATL LAS 4h 30m 76% 0.4% 719 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → ATL 06:30 → DAL 07:35WN 192 1h 10m Dallas DAL 08:45 → LAS 09:35WN 695 6h 05m 96% 81%
SouthwestDetails → ATL 16:05 → HOU 17:15WN 206 1h 10m Houston HOU 18:25 → LAS 19:35WN 2003 6h 30m 76% 42%
SouthwestDetails → ATL 19:50 → DAL 21:00WN 196 1h 45m Dallas DAL 22:45 → LAS 23:30WN 4378 6h 43m 84% 31%
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