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Showing Southwest only (incl. its regional partners)All airlines ×
1,445 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s barely half.

Best time to leave 7–8 am 90% arrive on time from LAS

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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LAS
88
86
80
82
81
63
51
72
56
57
51
58
49
67
56
% 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 2957 LAS 07:35 SLC 10:00 1h 25m 57 91% 0.0% 30 min
WN 3310 LAS 13:48 SLC 16:15 1h 30m 50 70% 0.0% 36 min
WN 4225 LAS 19:45 SLC 22:12 1h 25m 50 42% 0.0% 60 min
WN 4161 LAS 21:40 SLC 00:10 1h 25m 31 77% 0.0% 52 min
WN 1454 LAS 23:02 SLC 01:28 1h 25m 26 27% 0.0% 61 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 LAS SLC 1h 25m 77% 0.5% 1,445 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