Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Baltimore via Denver: arrives on time 3%
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16:40 BUF → 18:15 DENWN 3413 · Southwest · 3h 35m · 19% on time, 0.0% cancelled
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50m layover in Denver (DEN) · 45 min minimum on one ticket
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19:05 DEN → 00:35 BWI +1 dayWN 1500 · Southwest · 3h 28m · 28% on time, 0.0% cancelled
Total trip 7h 53m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.
Makes the connection12%The first flight arrived more than 5 minutes late on 88% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time3%First flight not cancelled (0.0% are) × connection made (12%) × second flight not cancelled (0.0% are) and within 15 minutes (28%).
Total trip7h 53mBUF 16:40 to BWI 00:35, 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.