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

Springfield → Chicago via Atlanta: arrives on time 27%

15:30 SGF → 18:25 ATL

DL 4854 · Delta, flown by Endeavor · 1h 56m · 52% on time, 2.1% cancelled
50m layover in Atlanta (ATL) · 45 min minimum on one ticket
19:15 ATL → 20:33 ORD

DL 2486 · Delta · 2h 17m · 66% on time, 5.7% cancelled

Total trip 5h 02m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.

Makes the connection43%The first flight arrived more than 5 minutes late on 57% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.

Arrives on time27%First flight not cancelled (2.1% are) × connection made (43%) × second flight not cancelled (5.7% are) and within 15 minutes (66%).

Total trip5h 02mSGF 15:30 to ORD 20:33, 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.