Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Philadelphia via Boston: arrives on time 49%
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14:01 DTW → 16:10 BOSDL 1171 · Delta · 2h 09m · 70% on time, 1.1% cancelled
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1h 15m layover in Boston (BOS) · 45 min minimum on one ticket
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17:25 BOS → 19:12 PHLDL 5714 · Delta, flown by Republic · 1h 47m · 66% on time, 4.9% cancelled
Total trip 5h 11m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection78%The first flight arrived more than 30 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time49%First flight not cancelled (1.1% are) × connection made (78%) × second flight not cancelled (4.9% are) and within 15 minutes (66%).
Total trip5h 11mDTW 14:01 to PHL 19:12, 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.