Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Atlanta via Miami: arrives on time 60%
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07:30 SJU → 10:15 MIAF9 3377 · Frontier · 2h 51m · 81% on time, 0.6% cancelled
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1h 04m layover in Miami (MIA) · 45 min minimum on one ticket
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11:19 MIA → 13:34 ATLF9 3059 · Frontier · 2h 15m · 73% on time, 0.0% cancelled
Total trip 6h 04m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection82%The first flight arrived more than 19 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time60%First flight not cancelled (0.6% are) × connection made (82%) × second flight not cancelled (0.0% are) and within 15 minutes (73%).
Total trip6h 04mSJU 07:30 to ATL 13:34, 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.