Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Jacksonville via Chicago: arrives on time 48%
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11:25 STL → 13:03 ORDUA 4395 · United, flown by GoJet · 1h 38m · 71% on time, 2.8% cancelled
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57m layover in Chicago (ORD) · 45 min minimum on one ticket
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14:00 ORD → 17:49 JAXUA 5807 · United, flown by SkyWest · 2h 49m · 76% on time, 4.2% cancelled
Total trip 5h 24m, scheduled departure to arrival (Jacksonville is 1 h ahead of St Louis). Times are local. Both flew on 55 of the last 56 days.
Makes the connection68%The first flight arrived more than 12 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time48%First flight not cancelled (2.8% are) × connection made (68%) × second flight not cancelled (4.2% are) and within 15 minutes (76%).
Total trip5h 24mSTL 11:25 to JAX 17:49, 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.