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

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

Best time to leave 8–9 am 76% arrive on time from MDW

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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MDW
80
% 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 1546 MDW 10:05 SFO 12:35 4h 30m 50 12% 0.0% 55 min
WN 2893 MDW 21:30 SFO 00:12 4h 42m 50 51% 2.0% 64 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 MDW SFO 4h 40m 49% 1.2% 485 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → MDW 07:10 → PHX 08:45WN 2520 1h 10m Phoenix PHX 09:55 → SFO 12:00WN 4603 6h 50m 94% 32%
SouthwestDetails → MDW 05:15 → DEN 06:50WN 2989 58m Denver DEN 07:48 → SFO 09:28WN 2386 6h 13m 98% 16%
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