Schedule: a typical summer Wednesday (the flights of Jul 29, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UA 1542 · IAH → SAT
departs 8:05 PM CT · arrives 9:13 PM CT
UA 1542 isn’t flying IAH → SAT on Wed, Sep 30
This listing came from a typical schedule. According to the FAA, UA 1542 flies these legs that day: