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

Pittsburgh → St Louis via Chicago: arrives on time 85%

  1. 06:49 PIT → 07:37 ORD
    UA 1803 · United · 1h 48m · 89% on time, 1.6% cancelled
  2. 3h 03m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:40 ORD → 12:11 STL
    UA 1355 · United · 1h 31m · 91% on time, 2.8% cancelled

Total trip 6h 22m, scheduled departure to arrival (St Louis is 1 h behind Pittsburgh). Times are local. Both flew on 25 of the last 56 days.

Makes the connection97%The first flight arrived more than 138 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 03m layover.
Arrives on time85%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (2.8% are) and within 15 minutes (91%).
Total trip6h 22mPIT 06:49 to STL 12:11, 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.