Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Chicago via Indianapolis: arrives on time 62%
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19:30 DEN → 12:32 INDWN 1211 · Southwest · 2h 32m · 37% on time, 2.0% cancelled
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3h 03m layover in Indianapolis (IND) · 90 min minimum on separate tickets
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15:35 IND → 16:00 ORDAA 3596 · American, flown by Envoy · 1h 25m · 81% on time, 5.6% cancelled
Total trip -270m, scheduled departure to arrival (Chicago is 1 h ahead of Denver). Times are local. Both flew on 48 of the last 56 days.
Makes the connection83%The first flight arrived more than 93 minutes late on 17% of the days it flew: too late for the 90-minute minimum connection on a 3h 03m layover.
Arrives on time62%First flight not cancelled (2.0% are) × connection made (83%) × second flight not cancelled (5.6% are) and within 15 minutes (81%).
Total trip-270mDEN 19:30 to ORD 16:00, 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.