Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → San Francisco via Chicago: arrives on time 19%
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17:00 MIA → 19:53 ORDAA 3056 · American · 3h 53m · 60% on time, 2.0% cancelled
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1h 07m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:00 ORD → 23:58 SFOAA 3054 · American · 4h 42m · 32% on time, 4.2% cancelled
Total trip 9h 42m, scheduled departure to arrival (San Francisco is 3 h behind Miami). Times are local. Both flew on 56 of the last 56 days.
Makes the connection64%The first flight arrived more than 22 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time19%First flight not cancelled (2.0% are) × connection made (64%) × second flight not cancelled (4.2% are) and within 15 minutes (32%).
Total trip9h 42mMIA 17:00 to SFO 23:58, 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.