Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Baltimore via Chicago: arrives on time 72%

  1. 08:00 STL → 09:35 ORD
    UA 4183 · United, flown by GoJet · 1h 35m · 72% on time, 0.5% cancelled
  2. 1h 16m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:51 ORD → 13:57 BWI
    UA 2653 · United · 2h 06m · 83% on time, 0.0% cancelled

Total trip 4h 57m, scheduled departure to arrival (Baltimore is 1 h ahead of St Louis). Times are local. Both flew on 37 of the last 56 days.

Makes the connection87%The first flight arrived more than 31 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time72%First flight not cancelled (0.5% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip4h 57mSTL 08:00 to BWI 13:57, 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.