Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Las Vegas via Philadelphia: arrives on time 24%
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19:37 BOS → 21:20 PHLAA 1147 · American · 1h 43m · 46% on time, 3.9% cancelled
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53m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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22:13 PHL → 00:32 LAS +1 dayAA 3250 · American · 5h 19m · 65% on time, 1.4% cancelled
Total trip 7h 55m, scheduled departure to arrival (Las Vegas is 3 h behind Boston). Times are local. Both flew on 50 of the last 56 days.
Makes the connection39%The first flight arrived more than 8 minutes late on 61% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time24%First flight not cancelled (3.9% are) × connection made (39%) × second flight not cancelled (1.4% are) and within 15 minutes (65%).
Total trip7h 55mBOS 19:37 to LAS 00:32, 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.