Schedule: the flights that flew on Wednesday, Oct 21, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 1998 SCHEDULED · TYPICAL SCHEDULE

Wednesday, October 28 Tomorrow

UA 1998 · IAD → EWR

departs 6:40 AM ET · arrives 8:01 AM ET

Forecast issued Tue 2:00 AM ET · 29h before departure

UA 1998 isn’t flying IAD → EWR on Wed, Oct 28

This listing came from a typical schedule. According to the FAA, UA 1998 flies these legs that day:

IAH → CVG · 12:30 PM · scheduled
IAH → CVG · 12:41 PM · scheduled