Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → St Louis via Dallas-Fort Worth: arrives on time 62%
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06:00 BOS → 09:22 DFWAA 2527 · American · 4h 22m · 91% on time, 3.3% cancelled
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1h 19m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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10:41 DFW → 12:44 STLAA 5655 · American, flown by PSA · 2h 03m · 70% on time, 4.3% cancelled
Total trip 7h 44m, scheduled departure to arrival (St Louis is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.
Makes the connection96%The first flight arrived more than 34 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time62%First flight not cancelled (3.3% are) × connection made (96%) × second flight not cancelled (4.3% are) and within 15 minutes (70%).
Total trip7h 44mBOS 06:00 to STL 12:44, 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.