Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Springfield via Houston: arrives on time 77%
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08:51 ORD → 11:51 IAHUA 535 · United · 3h 00m · 80% on time, 0.0% cancelled
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2h 39m layover in Houston (IAH) · 45 min minimum on one ticket
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14:30 IAH → 16:20 SGFUA 4911 · United, flown by CommuteAir · 1h 50m · 79% on time, 1.4% cancelled
Total trip 7h 29m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection99%The first flight arrived more than 114 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 39m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (1.4% are) and within 15 minutes (79%).
Total trip7h 29mORD 08:51 to SGF 16:20, 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.