Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Austin via Dallas: arrives on time 12%
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17:45 BOS → 20:55 DALWN 737 · Southwest · 4h 10m · 39% on time, 3.4% cancelled
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50m layover in Dallas (DAL) · 45 min minimum on one ticket
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21:45 DAL → 22:50 AUSWN 1515 · Southwest · 1h 00m · 46% on time, 0.0% cancelled
Total trip 6h 00m, scheduled departure to arrival (Austin is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.
Makes the connection27%The first flight arrived more than 5 minutes late on 73% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time12%First flight not cancelled (3.4% are) × connection made (27%) × second flight not cancelled (0.0% are) and within 15 minutes (46%).
Total trip6h 00mBOS 17:45 to AUS 22:50, 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.