Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Philadelphia via Denver: arrives on time 57%
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19:51 SAT → 21:23 DENF9 3707 · Frontier · 2h 34m · 78% on time, 0.0% cancelled
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2h 36m layover in Denver (DEN) · 45 min minimum on one ticket
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23:59 DEN → 05:38 PHL +1 dayF9 3340 · Frontier · 3h 39m · 62% on time, 3.0% cancelled
Total trip 8h 47m, scheduled departure to arrival (Philadelphia is 1 h ahead of San Antonio). Times are local. Both flew on 32 of the last 56 days.
Makes the connection95%The first flight arrived more than 111 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 36m layover.
Arrives on time57%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (3.0% are) and within 15 minutes (62%).
Total trip8h 47mSAT 19:51 to PHL 05:38, 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.