Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
Yesterday
OO 5572 · STL → ORD
departs 9:30 AM CT · arrives 11:07 AM CT
OO 5572 isn’t flying STL → ORD on Wed, Sep 30
This listing came from a typical schedule. According to the FAA, OO 5572 flies these legs that day: