Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → St Louis via Chicago: arrives on time 34%
-
19:43 ATL → 21:11 ORDAA 1372 · American · 2h 33m · 43% on time, 4.2% cancelled
-
1h 49m layover in Chicago (ORD) · 45 min minimum on one ticket
-
23:00 ORD → 00:16 STL +1 dayAA 1004 · American · 1h 16m · 58% on time, 6.9% cancelled
Total trip 5h 33m, scheduled departure to arrival (St Louis is 1 h behind Atlanta). Times are local. Both flew on 56 of the last 56 days.
Makes the connection65%The first flight arrived more than 64 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 1h 49m layover.
Arrives on time34%First flight not cancelled (4.2% are) × connection made (65%) × second flight not cancelled (6.9% are) and within 15 minutes (58%).
Total trip5h 33mATL 19:43 to STL 00:16, 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.