Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Sioux Falls → Chicago via Atlanta: arrives on time 76%
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05:20 FSD → 08:54 ATLDL 1237 · Delta · 2h 33m · 87% on time, 0.8% cancelled
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2h 35m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:29 ATL → 12:52 ORDUA 1239 · United · 2h 23m · 82% on time, 0.0% cancelled
Total trip 7h 32m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection94%The first flight arrived more than 65 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 35m layover.
Arrives on time76%First flight not cancelled (0.8% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip7h 32mFSD 05:20 to ORD 12:52, 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.