Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Diego via Philadelphia: arrives on time 45%
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11:40 ORD → 14:54 PHLAA 1743 · American · 2h 14m · 74% on time, 2.2% cancelled
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46m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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15:40 PHL → 18:22 SANAA 1489 · American · 5h 42m · 80% on time, 0.0% cancelled
Total trip 8h 42m, scheduled departure to arrival (San Diego is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection58%The first flight arrived more than 1 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time45%First flight not cancelled (2.2% are) × connection made (58%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip8h 42mORD 11:40 to SAN 18:22, 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.