Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 1239 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

UA 1239 · ATL → ORD

departs 11:29 AM ET · arrives 12:52 PM CT

Forecast issued Sun 8:00 PM ET · 8h after departure

UA 1239 isn’t flying ATL → ORD today

This listing came from a typical schedule. According to the FAA, UA 1239 flies these legs today:

JAX → ORD · 9:48 AM · scheduled
JAX → ORD · 9:54 AM · landed
ORD → ROC · 1:54 PM · scheduled
ORD → ROC · 1:59 PM · landed