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Showing Southwest only (incl. its regional partners)All airlines ×
1,092 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 57%.

Best time to leave 7–8 am 95% 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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9
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MDW
93
93
87
75
73
74
63
45
76
61
34
% 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 3103 MDW 05:52 SAN 08:00 4h 08m 50 94% 0.0% 17 min
WN 4648 MDW 10:08 SAN 12:15 4h 08m 50 58% 0.0% 34 min
WN 2883 MDW 14:15 SAN 16:25 4h 10m 26 23% 0.0% 70 min
WN 1550 MDW 18:20 SAN 20:30 4h 10m 18 67% 0.0% 58 min
WN 2884 MDW 21:10 SAN 23:25 4h 15m 57 52% 8.8% 47 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 SAN 4h 20m 73% 1.4% 1,092 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