Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Minneapolis → Buffalo via Chicago: arrives on time 19%
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16:15 MSP → 17:45 MDWWN 2971 · Southwest · 1h 30m · 38% on time, 2.4% cancelled
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1h 20m layover in Chicago (MDW) · 45 min minimum on one ticket
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19:05 MDW → 21:35 BUFWN 4110 · Southwest · 1h 30m · 29% on time, 8.8% cancelled
Total trip 4h 20m, scheduled departure to arrival (Buffalo is 1 h ahead of Minneapolis). Times are local. Both flew on 24 of the last 56 days.
Makes the connection72%The first flight arrived more than 35 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time19%First flight not cancelled (2.4% are) × connection made (72%) × second flight not cancelled (8.8% are) and within 15 minutes (29%).
Total trip4h 20mMSP 16:15 to BUF 21:35, 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.