Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Jacksonville → St Louis via Chicago: arrives on time 45%
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16:55 JAX → 18:48 ORDUA 2211 · United · 2h 53m · 70% on time, 3.2% cancelled
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1h 07m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:55 ORD → 21:26 STLUA 2144 · United · 1h 31m · 61% on time, 0.0% cancelled
Total trip 5h 31m, scheduled departure to arrival (St Louis is 1 h behind Jacksonville). Times are local. Both flew on 56 of the last 56 days.
Makes the connection75%The first flight arrived more than 22 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time45%First flight not cancelled (3.2% are) × connection made (75%) × second flight not cancelled (0.0% are) and within 15 minutes (61%).
Total trip5h 31mJAX 16:55 to STL 21:26, 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.