Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Boston via Rochester: arrives on time 86%
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06:45 ORD → 09:37 ROCUA 3425 · United, flown by Republic · 1h 52m · 92% on time, 0.0% cancelled
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2h 23m layover in Rochester (ROC) · 90 min minimum on separate tickets
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12:00 ROC → 13:26 BOSAA 4171 · American, flown by Envoy · 1h 26m · 86% on time, 0.0% cancelled
Total trip 5h 41m, scheduled departure to arrival (Boston is 1 h ahead of Chicago). Times are local. Both flew on 24 of the last 56 days.
Makes the connection100%The first flight arrived more than 53 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 23m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip5h 41mORD 06:45 to BOS 13:26, 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.