Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Washington → Philadelphia via Boston: arrives on time 14%
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17:00 DCA → 18:47 BOSAA 3207 · American · 1h 47m · 43% on time, 2.1% cancelled
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50m layover in Boston (BOS) · 45 min minimum on one ticket
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19:37 BOS → 21:20 PHLAA 1147 · American · 1h 43m · 46% on time, 3.9% cancelled
Total trip 4h 20m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection33%The first flight arrived more than 5 minutes late on 67% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time14%First flight not cancelled (2.1% are) × connection made (33%) × second flight not cancelled (3.9% are) and within 15 minutes (46%).
Total trip4h 20mDCA 17:00 to PHL 21:20, 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.