Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Chicago via Dallas-Fort Worth: arrives on time 26%
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11:24 SFO → 17:14 DFWAA 1849 · American · 3h 50m · 45% on time, 0.0% cancelled
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1h 24m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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18:38 DFW → 21:22 ORDAA 1424 · American · 2h 44m · 39% on time, 2.8% cancelled
Total trip 7h 58m, scheduled departure to arrival (Chicago is 2 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection69%The first flight arrived more than 39 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 24m layover.
Arrives on time26%First flight not cancelled (0.0% are) × connection made (69%) × second flight not cancelled (2.8% are) and within 15 minutes (39%).
Total trip7h 58mSFO 11:24 to ORD 21:22, 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.