Schedule: the flights that flew on Tuesday, Nov 3, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

DELTA · FLIGHT DL 1931 SCHEDULED · TYPICAL SCHEDULE
Today

DL 1931 · SEA → PHX

departs 11:50 AM PT · arrives 3:36 PM MT
Forecast issued Tue 1:00 AM ET · 14h before departure

DL 1931 isn’t flying SEA → PHX today

This listing came from a typical schedule. According to the FAA, DL 1931 flies these legs today: