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

Boston → St Louis via Chicago: arrives on time 68%

  1. 06:00 BOS → 07:58 ORD
    UA 1414 · United · 2h 58m · 95% on time, 2.4% cancelled
  2. 1h 02m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 09:00 ORD → 10:34 STL
    UA 4613 · United, flown by GoJet · 1h 34m · 75% on time, 1.7% cancelled

Total trip 5h 34m, scheduled departure to arrival (St Louis is 1 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection95%The first flight arrived more than 17 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time68%First flight not cancelled (2.4% are) × connection made (95%) × second flight not cancelled (1.7% are) and within 15 minutes (75%).
Total trip5h 34mBOS 06:00 to STL 10:34, 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.