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 688 SCHEDULED · TYPICAL SCHEDULE

Wednesday, October 28 Tomorrow

UA 688 · SNA → IAD

departs 8:22 AM PT · arrives 4:28 PM ET

Forecast issued Tue 4:00 AM ET · 31h before departure

UA 688 isn’t flying SNA → IAD on Wed, Oct 28

This listing came from a typical schedule. According to the FAA, UA 688 flies these legs that day:

IAD → BOS · 5:24 PM · scheduled
IAD → BOS · 5:38 PM · scheduled