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 1523 SCHEDULED · TYPICAL SCHEDULE

Tuesday, October 27 Today

UA 1523 · SEA → IAD

departs 8:32 AM PT · arrives 4:41 PM ET

Forecast issued Tue 2:00 AM ET · 10h before departure

UA 1523 isn’t flying SEA → IAD today

This listing came from a typical schedule. According to the FAA, UA 1523 flies these legs today:

IAD → GUA · 5:53 PM · scheduled
IAD → GUA · 6:29 PM · in the air
IAD → GUA · 5:53 PM · scheduled
IAD → GUA · 6:06 PM · scheduled