Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Detroit via Chicago: arrives on time 46%
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17:00 PHL → 18:33 ORDUA 308 · United · 2h 33m · 63% on time, 1.3% cancelled
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1h 14m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:47 ORD → 22:19 DTWUA 2426 · United · 1h 32m · 63% on time, 1.4% cancelled
Total trip 5h 19m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection75%The first flight arrived more than 29 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time46%First flight not cancelled (1.3% are) × connection made (75%) × second flight not cancelled (1.4% are) and within 15 minutes (63%).
Total trip5h 19mPHL 17:00 to DTW 22:19, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.