Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas-Fort Worth → San Francisco via Chicago: arrives on time 20%
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16:50 DFW → 19:44 ORDAA 2474 · American · 2h 54m · 55% on time, 4.4% cancelled
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1h 16m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:00 ORD → 23:58 SFOAA 3054 · American · 4h 42m · 32% on time, 4.2% cancelled
Total trip 8h 52m, scheduled departure to arrival (San Francisco is 2 h behind Dallas-Fort Worth). Times are local. Both flew on 56 of the last 56 days.
Makes the connection67%The first flight arrived more than 31 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time20%First flight not cancelled (4.4% are) × connection made (67%) × second flight not cancelled (4.2% are) and within 15 minutes (32%).
Total trip8h 52mDFW 16:50 to SFO 23:58, 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.