Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Chicago via Dallas-Fort Worth: arrives on time 15%
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15:37 SFO → 21:24 DFWAA 2325 · American · 3h 47m · 49% on time, 4.3% cancelled
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48m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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22:12 DFW → 00:50 ORD +1 dayAA 1193 · American · 2h 38m · 55% on time, 6.9% cancelled
Total trip 7h 13m, scheduled departure to arrival (Chicago is 2 h ahead of San Francisco). Times are local. Both flew on 55 of the last 56 days.
Makes the connection31%The first flight arrived more than 3 minutes late on 69% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time15%First flight not cancelled (4.3% are) × connection made (31%) × second flight not cancelled (6.9% are) and within 15 minutes (55%).
Total trip7h 13mSFO 15:37 to ORD 00:50, 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.