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

Chicago → St Louis via New York: arrives on time 35%

  1. 14:30 ORD → 17:56 LGA
    DL 2239 · Delta · 2h 26m · 63% on time, 5.1% cancelled
  2. 55m layover in New York (LGA) · 45 min minimum on one ticket
  3. 18:51 LGA → 20:46 STL
    DL 4926 · Delta, flown by Endeavor · 2h 56m · 70% on time, 9.5% cancelled

Total trip 6h 17m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection58%The first flight arrived more than 10 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time35%First flight not cancelled (5.1% are) × connection made (58%) × second flight not cancelled (9.5% are) and within 15 minutes (70%).
Total trip6h 17mORD 14:30 to STL 20:46, 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.