Schedule: the flights that flew on Wednesday, Nov 4, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 899 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

WN 899 · TPA → DCA

departs 4:26 PM ET · arrives 6:48 PM ET
Forecast issued Tue 1:00 PM ET · 27h before departure

WN 899 isn’t flying TPA → DCA on Wed, Nov 11

This listing came from a typical schedule. According to the FAA, WN 899 flies these legs that day: