Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → San Juan via Philadelphia: arrives on time 37%
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20:12 ATL → 22:29 PHLF9 1102 · Frontier · 2h 16m · 47% on time, 3.4% cancelled
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1h 30m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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23:59 PHL → 03:57 SJU +1 dayF9 1726 · Frontier · 4h 00m · 59% on time, 3.2% cancelled
Total trip 7h 47m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection67%The first flight arrived more than 45 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 30m layover.
Arrives on time37%First flight not cancelled (3.4% are) × connection made (67%) × second flight not cancelled (3.2% are) and within 15 minutes (59%).
Total trip7h 47mATL 20:12 to SJU 03:57, 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.