Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Detroit via Atlanta: arrives on time 78%
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06:00 MDW → 08:55 ATLDL 1285 · Delta · 1h 55m · 90% on time, 2.7% cancelled
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2h 05m layover in Atlanta (ATL) · 45 min minimum on one ticket
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11:00 ATL → 12:55 DTWDL 1240 · Delta · 1h 56m · 85% on time, 0.3% cancelled
Total trip 5h 56m, scheduled departure to arrival (Detroit is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection95%The first flight arrived more than 80 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 05m layover.
Arrives on time78%First flight not cancelled (2.7% are) × connection made (95%) × second flight not cancelled (0.3% are) and within 15 minutes (85%).
Total trip5h 56mMDW 06:00 to DTW 12:55, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.