Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → San Antonio via Chicago: arrives on time 37%
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12:00 SFO → 18:35 ORDUA 2317 · United · 4h 35m · 50% on time, 2.8% cancelled
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1h 23m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:58 ORD → 22:57 SATUA 1394 · United · 2h 59m · 57% on time, 2.2% cancelled
Total trip 8h 57m, scheduled departure to arrival (San Antonio is 2 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection68%The first flight arrived more than 38 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time37%First flight not cancelled (2.8% are) × connection made (68%) × second flight not cancelled (2.2% are) and within 15 minutes (57%).
Total trip8h 57mSFO 12:00 to SAT 22:57, 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.