Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → Boston via Chicago: arrives on time 39%
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14:32 CMH → 15:14 ORDAA 4954 · American, flown by SkyWest · 1h 42m · 73% on time, 8.6% cancelled
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59m layover in Chicago (ORD) · 45 min minimum on one ticket
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16:13 ORD → 19:57 BOSAA 4384 · American, flown by Republic · 2h 51m · 62% on time, 6.8% cancelled
Total trip 5h 32m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection73%The first flight arrived more than 14 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time39%First flight not cancelled (8.6% are) × connection made (73%) × second flight not cancelled (6.8% are) and within 15 minutes (62%).
Total trip5h 32mCMH 14:32 to BOS 19:57, 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.