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

Take the nonstop: Southwest MEM → MDW (1h 35m) reaches Chicago on time 83% of the time; the most reliable connection, Southwest via Nashville (3h 55m), 42%.

Best time to leave 7–8 am 95% arrive on time from MEM

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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MEM
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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.

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 3 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 2916 MEM 05:15 MDW 06:50 1h 35m 33 88% 0.0% 38 min
WN 297 MEM 05:20 MDW 06:55 1h 35m 16 100% 0.0% –
WN 3345 MEM 15:35 MDW 17:10 1h 35m 57 61% 3.5% 89 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 MEM MDW 1h 35m 84% 1.8% 670 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