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Showing Southwest only (incl. its regional partners)All airlines ×
1,298 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 6–7 am 90% 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
89
95
82
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83
59
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61
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38
74
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38
% 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 4637 MDW 05:10 LAX 07:25 4h 15m 34 88% 0.0% 34 min
WN 3014 MDW 05:32 LAX 07:48 4h 15m 16 94% 0.0% 45 min
WN 2433 MDW 10:10 LAX 12:30 4h 20m 49 73% 0.0% 47 min
WN 188 MDW 18:00 LAX 20:20 4h 20m 50 47% 0.0% 70 min
WN 3364 MDW 21:25 LAX 23:50 4h 20m 50 36% 0.0% 66 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 LAX 4h 30m 70% 0.9% 1,298 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