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519 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Southwest’s SJC → MDW flights land within a few points of 85% on time whatever the hour.

Best time to leave 8–9 am 95% arrive on time from SJC

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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SJC
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% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

Southwest 519 85% 0.2% 33 min

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 flight on this route ran 150+ times in the year.

All 2 flights on this route →

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 SJC MDW 4h 05m 85% 0.2% 519 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → SJC 21:35 → SEA 21:30WN 3705 1h 35m Seattle SEA 23:05 → MDW 05:00 +1WN 2304 5h 25m 90% 60%
SouthwestDetails → SJC 10:25 → DEN 13:50WN 3666 1h 10m Denver DEN 15:00 → MDW 18:20WN 1603 5h 55m 79% 47%
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