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

Jacksonville → St Louis via Charlotte: arrives on time 56%

  1. 19:59 JAX → 21:36 CLT
    AA 1991 · American · 1h 33m · 56% on time, 0.0% cancelled
  2. 1h 19m 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 4h 58m, scheduled departure to arrival (St Louis is 1 h behind Jacksonville). Times are local. Both flew on 54 of the last 56 days.

Makes the connection75%The first flight arrived more than 34 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time56%First flight not cancelled (0.0% are) × connection made (75%) × second flight not cancelled (0.6% are) and within 15 minutes (75%).
Total trip4h 58mJAX 19:59 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.