Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Chicago via Boston: arrives on time 89%
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23:31 SLC → 06:05 BOSDL 696 · Delta · 4h 34m · 92% on time, 1.8% cancelled
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2h 10m layover in Boston (BOS) · 90 min minimum on separate tickets
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08:15 BOS → 10:12 ORD +1 dayUA 1834 · United · 2h 57m · 92% on time, 0.0% cancelled
Total trip 9h 41m, scheduled departure to arrival (Chicago is 1 h ahead of Salt Lake City). Times are local. Both flew on 52 of the last 56 days.
Makes the connection98%The first flight arrived more than 40 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 10m layover.
Arrives on time89%First flight not cancelled (1.8% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip9h 41mSLC 23:31 to ORD 10:12, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.