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

Chicago → St Louis via Charlotte: arrives on time 47%

  1. 18:47 ORD → 21:59 CLT
    AA 689 · American · 2h 12m · 68% on time, 2.4% cancelled
  2. 56m layover in Charlotte (CLT) · 45 min minimum on one ticket
  3. 22:55 CLT → 23:57 STL
    AA 459 · American · 2h 02m · 75% on time, 0.6% cancelled

Total trip 5h 10m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection64%The first flight arrived more than 11 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time47%First flight not cancelled (2.4% are) × connection made (64%) × second flight not cancelled (0.6% are) and within 15 minutes (75%).
Total trip5h 10mORD 18:47 to STL 23:57, 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.