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Showing Southwest only (incl. its regional partners)All airlines ×
3,143 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 almost half.

Best time to leave 6–7 am 99% arrive on time from DEN

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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DEN
98
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39
% 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 14 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 3106 DEN 05:45 LAS 06:40 1h 55m 34 100% 0.0% –
WN 2412 DEN 06:00 LAS 07:00 2h 00m 16 100% 0.0% –
WN 1559 DEN 07:40 LAS 08:35 1h 55m 49 88% 0.0% 40 min
WN 1024 DEN 08:30 LAS 09:25 1h 55m 12 92% 0.0% 20 min
WN 3289 DEN 08:55 LAS 09:50 1h 55m 21 86% 0.0% 25 min
WN 2886 DEN 09:20 LAS 10:15 1h 55m 16 100% 0.0% –
WN 1561 DEN 11:00 LAS 11:55 1h 55m 42 83% 0.0% 34 min
WN 1562 DEN 13:15 LAS 14:10 1h 55m 49 53% 0.0% 48 min
WN 342 DEN 15:35 LAS 16:35 2h 00m 16 62% 0.0% 64 min
WN 1563 DEN 16:35 LAS 17:35 2h 00m 34 52% 0.0% 79 min
WN 1564 DEN 17:30 LAS 18:30 2h 00m 47 51% 0.0% 74 min
WN 1565 DEN 19:00 LAS 20:00 2h 00m 34 36% 2.9% 84 min
WN 1566 DEN 20:35 LAS 21:30 1h 55m 49 44% 2.0% 82 min
WN 1567 DEN 21:55 LAS 22:50 1h 58m 42 44% 2.4% 72 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 DEN LAS 2h 00m 73% 0.7% 3,143 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