Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Columbus via Chicago: arrives on time 58%
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10:25 SFO → 16:59 ORDAA 2543 · American · 4h 29m · 71% on time, 4.2% cancelled
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2h 30m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:29 ORD → 22:03 CMHAA 3447 · American, flown by Envoy · 1h 34m · 66% on time, 4.3% cancelled
Total trip 8h 38m, scheduled departure to arrival (Columbus is 3 h ahead of San Francisco). Times are local. Both flew on 48 of the last 56 days.
Makes the connection97%The first flight arrived more than 105 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 30m layover.
Arrives on time58%First flight not cancelled (4.2% are) × connection made (97%) × second flight not cancelled (4.3% are) and within 15 minutes (66%).
Total trip8h 38mSFO 10:25 to CMH 22:03, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.