Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Detroit via Atlanta: arrives on time 71%
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12:50 MDW → 15:49 ATLDL 2417 · Delta · 2h 02m · 86% on time, 3.4% cancelled
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2h 22m layover in Atlanta (ATL) · 45 min minimum on one ticket
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18:11 ATL → 20:14 DTWDL 1478 · Delta · 2h 02m · 76% on time, 0.0% cancelled
Total trip 6h 23m, scheduled departure to arrival (Detroit is 1 h ahead of Chicago). Times are local. Both flew on 45 of the last 56 days.
Makes the connection97%The first flight arrived more than 97 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 22m layover.
Arrives on time71%First flight not cancelled (3.4% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip6h 23mMDW 12:50 to DTW 20:14, 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.