Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Philadelphia via Chicago: arrives on time 40%
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12:35 SLC → 17:00 ORDUA 1178 · United · 3h 25m · 67% on time, 0.0% cancelled
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59m layover in Chicago (ORD) · 45 min minimum on one ticket
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17:59 ORD → 21:19 PHLUA 1776 · United · 2h 20m · 61% on time, 2.5% cancelled
Total trip 6h 44m, scheduled departure to arrival (Philadelphia is 2 h ahead of Salt Lake City). Times are local. Both flew on 56 of the last 56 days.
Makes the connection67%The first flight arrived more than 14 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time40%First flight not cancelled (0.0% are) × connection made (67%) × second flight not cancelled (2.5% are) and within 15 minutes (61%).
Total trip6h 44mSLC 12:35 to PHL 21:19, 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.