Schedule: the flights that flew on Thursday, Oct 22, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 1577 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 29 Tomorrow

UA 1577 · TYS → ORD

departs 10:36 AM ET · arrives 11:35 AM CT

Forecast issued Wed 3:00 PM ET · 20h before departure

UA 1577 isn’t flying TYS → ORD on Thu, Oct 29

This listing came from a typical schedule. According to the FAA, UA 1577 flies these legs that day:

SFO → SAN · 7:19 PM · scheduled
ATL → ORD · 9:33 AM · scheduled
ORD → SFO · 2:57 PM · scheduled