Schedule: the flights that flew on Tuesday, Oct 20, 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

Tuesday, October 27 Today

UA 1239 · JAX → ORD

departs 9:35 AM ET · arrives 11:23 AM CT

Forecast issued Tue 2:00 AM ET · 8h before departure

UA 1239 isn’t flying JAX → ORD today

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

SJC → ORD · 6:40 AM · scheduled
SJC → ORD · 6:45 AM · scheduled
ORD → ROC · 1:58 PM · scheduled
ORD → ROC · 2:17 PM · scheduled