Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → Los Angeles via Dulles: arrives on time 55%
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06:00 CMH → 07:23 IADUA 4428 · United, flown by GoJet · 1h 23m · 71% on time, 2.0% cancelled
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52m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:15 IAD → 10:47 LAXUA 1734 · United · 5h 32m · 86% on time, 1.6% cancelled
Total trip 7h 47m, scheduled departure to arrival (Los Angeles is 3 h behind Columbus). Times are local. Both flew on 15 of the last 56 days, too few to list among the best connections.
Makes the connection66%The first flight arrived more than 7 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time55%First flight not cancelled (2.0% are) × connection made (66%) × second flight not cancelled (1.6% are) and within 15 minutes (86%).
Total trip7h 47mCMH 06:00 to LAX 10:47, 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.