Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Tucson via Denver: arrives on time 85%
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06:41 ORD → 08:24 DENAA 1747 · American · 2h 43m · 75% on time, 0.0% cancelled
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3h 06m layover in Denver (DEN) · 90 min minimum on separate tickets
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11:30 DEN → 12:32 TUSUA 1188 · United · 2h 02m · 86% on time, 0.0% cancelled
Total trip 7h 51m, scheduled departure to arrival (Tucson is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 96 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 06m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip7h 51mORD 06:41 to TUS 12:32, 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.