Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Harrisburg via Philadelphia: arrives on time 32%
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17:05 BOS → 18:49 PHLAA 3309 · American · 1h 44m · 58% on time, 8.6% cancelled
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56m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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19:45 PHL → 21:03 MDTAA 6109 · American, flown by Piedmont · 1h 15m · 61% on time, 1.4% cancelled
Total trip 3h 55m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection58%The first flight arrived more than 11 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time32%First flight not cancelled (8.6% are) × connection made (58%) × second flight not cancelled (1.4% are) and within 15 minutes (61%).
Total trip3h 55mBOS 17:05 to MDT 21:03, 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.