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

The nonstop is quickest: Southwest MCI → SMF (3h 40m), on time 73% of the time. Southwest via Las Vegas (5h 45m) is more reliable, 94%, but takes 2h 05m longer.

Best time to leave 2–3 pm 67% arrive on time from MCI

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).

13
14
MCI
67
% 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 2 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 4828 MCI 14:25 SMF 16:00 3h 35m 26 77% 0.0% 29 min
WN 1354 MCI 15:25 SMF 17:00 3h 35m 16 69% 0.0% 25 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 MCI SMF 3h 40m 73% 0.0% 207 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → MCI 05:55 → DEN 06:45WN 2545 1h 00m Denver DEN 07:45 → SMF 09:15WN 1738 5h 20m 91% 82%
SouthwestDetails → MCI 06:55 → DEN 07:45WN 2546 1h 15m Denver DEN 09:00 → SMF 10:25WN 1739 5h 30m 96% 67%
SouthwestDetails → MCI 08:30 → DEN 09:18WN 3169 1h 02m Denver DEN 10:20 → SMF 11:55WN 1740 5h 25m 88% 65%
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