Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Seattle via Dallas-Fort Worth: arrives on time 23%
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19:30 MIA → 21:45 DFWAA 3104 · American · 3h 15m · 58% on time, 4.2% cancelled
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56m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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22:41 DFW → 00:57 SEA +1 dayAA 1487 · American · 4h 16m · 47% on time, 6.2% cancelled
Total trip 8h 27m, scheduled departure to arrival (Seattle is 3 h behind Miami). Times are local. Both flew on 53 of the last 56 days.
Makes the connection53%The first flight arrived more than 11 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time23%First flight not cancelled (4.2% are) × connection made (53%) × second flight not cancelled (6.2% are) and within 15 minutes (47%).
Total trip8h 27mMIA 19:30 to SEA 00:57, 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.