Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
Tomorrow
UA 1503 · SEA → ORD
departs 5:15 PM PT · arrives 11:22 PM CT
UA 1503 isn’t flying SEA → ORD on Mon, Oct 5
This listing came from a typical schedule. According to the FAA, UA 1503 flies these legs that day:
- DTW → ORD · 9:11 AM · scheduled