Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Boston via Chicago: arrives on time 78%
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05:15 PHL → 06:38 ORDAA 1652 · American · 2h 23m · 83% on time, 4.2% cancelled
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2h 37m layover in Chicago (ORD) · 90 min minimum on separate tickets
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09:15 ORD → 12:57 BOSUA 1117 · United · 2h 42m · 87% on time, 0.0% cancelled
Total trip 7h 42m, scheduled departure to arrival. Times are local. Both flew on 53 of the last 56 days.
Makes the connection94%The first flight arrived more than 67 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 37m layover.
Arrives on time78%First flight not cancelled (4.2% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 42mPHL 05:15 to BOS 12:57, 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.