Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Jacksonville → Denver via Philadelphia: arrives on time 33%
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16:35 JAX → 18:54 PHLAA 5248 · American, flown by PSA · 2h 19m · 54% on time, 6.3% cancelled
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1h 16m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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20:10 PHL → 22:33 DENAA 2500 · American · 4h 22m · 59% on time, 3.6% cancelled
Total trip 7h 57m, scheduled departure to arrival (Denver is 2 h behind Jacksonville). Times are local. Both flew on 39 of the last 56 days.
Makes the connection61%The first flight arrived more than 31 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time33%First flight not cancelled (6.3% are) × connection made (61%) × second flight not cancelled (3.6% are) and within 15 minutes (59%).
Total trip7h 57mJAX 16:35 to DEN 22:33, 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.