Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Francisco via Washington: arrives on time 19%
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14:00 ORD → 17:12 DCAUA 1314 · United · 2h 12m · 56% on time, 2.5% cancelled
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47m layover in Washington (DCA) · 45 min minimum on one ticket
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17:59 DCA → 20:55 SFOUA 368 · United · 5h 56m · 55% on time, 0.6% cancelled
Total trip 8h 55m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.
Makes the connection36%The first flight arrived more than 2 minutes late on 64% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time19%First flight not cancelled (2.5% are) × connection made (36%) × second flight not cancelled (0.6% are) and within 15 minutes (55%).
Total trip8h 55mORD 14:00 to SFO 20:55, 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.