Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Salt Lake City via Chicago: arrives on time 41%
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17:42 IAD → 18:50 ORDUA 2497 · United · 2h 08m · 48% on time, 1.1% cancelled
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1h 20m layover in Chicago (ORD) · 45 min minimum on one ticket
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20:10 ORD → 22:48 SLCUA 1710 · United · 3h 38m · 58% on time, 2.1% cancelled
Total trip 7h 06m, scheduled departure to arrival (Salt Lake City is 2 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.
Makes the connection72%The first flight arrived more than 35 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time41%First flight not cancelled (1.1% are) × connection made (72%) × second flight not cancelled (2.1% are) and within 15 minutes (58%).
Total trip7h 06mIAD 17:42 to SLC 22:48, 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.