Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Louisville → Boston via Washington: arrives on time 5%
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14:22 SDF → 16:12 DCAAA 5227 · American, flown by PSA · 1h 48m · 41% on time, 5.6% cancelled
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48m layover in Washington (DCA) · 45 min minimum on one ticket
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17:00 DCA → 18:47 BOSAA 3207 · American · 1h 47m · 43% on time, 2.1% cancelled
Total trip 4h 25m, scheduled departure to arrival. Times are local. Both flew on 13 of the last 56 days, too few to list among the best connections.
Makes the connection13%The first flight arrived more than 3 minutes late on 87% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time5%First flight not cancelled (5.6% are) × connection made (13%) × second flight not cancelled (2.1% are) and within 15 minutes (43%).
Total trip4h 25mSDF 14:22 to BOS 18:47, 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.