Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → San Francisco via Chicago: arrives on time 22%
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13:36 IAH → 16:35 ORDAA 1915 · American · 2h 59m · 52% on time, 0.0% cancelled
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1h 24m layover in Chicago (ORD) · 45 min minimum on one ticket
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17:59 ORD → 20:46 SFOAA 1620 · American · 4h 47m · 34% on time, 3.9% cancelled
Total trip 9h 10m, scheduled departure to arrival (San Francisco is 2 h behind Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection67%The first flight arrived more than 39 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 24m layover.
Arrives on time22%First flight not cancelled (0.0% are) × connection made (67%) × second flight not cancelled (3.9% are) and within 15 minutes (34%).
Total trip9h 10mIAH 13:36 to SFO 20:46, 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.