Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Chicago via Dallas-Fort Worth: arrives on time 46%
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15:30 SJU → 19:35 DFWAA 3159 · American · 5h 05m · 52% on time, 3.6% cancelled
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1h 25m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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21:00 DFW → 23:39 ORDAA 2346 · American · 2h 39m · 63% on time, 5.9% cancelled
Total trip 9h 09m, scheduled departure to arrival (Chicago is 1 h behind San Juan). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection80%The first flight arrived more than 40 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time46%First flight not cancelled (3.6% are) × connection made (80%) × second flight not cancelled (5.9% are) and within 15 minutes (63%).
Total trip9h 09mSJU 15:30 to ORD 23:39, 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.