Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Los Angeles → Buffalo via Chicago: arrives on time 24%
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13:25 LAX → 19:59 ORDAA 3134 · American · 4h 43m · 58% on time, 1.4% cancelled
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1h 33m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:32 ORD → 00:38 BUF +1 dayAA 403 · American · 1h 40m · 41% on time, 9.2% cancelled
Total trip 7h 47m, scheduled departure to arrival (Buffalo is 3 h ahead of Los Angeles). Times are local. Both flew on 56 of the last 56 days.
Makes the connection66%The first flight arrived more than 48 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 1h 33m layover.
Arrives on time24%First flight not cancelled (1.4% are) × connection made (66%) × second flight not cancelled (9.2% are) and within 15 minutes (41%).
Total trip7h 47mLAX 13:25 to BUF 00:38, 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.