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 423 SCHEDULED · TYPICAL SCHEDULE

Tuesday, October 27 Today

UA 423 · ATH → ORD

departs 12:29 PM EET · arrives 4:29 PM CT

Forecast issued Tue 4:00 AM ET · 2h before departure

UA 423 isn’t flying ATH → ORD today

This listing came from a typical schedule. According to the FAA, UA 423 flies these legs today:

PHL → IAH · 12:50 PM · scheduled
PHL → IAH · 12:53 PM · landed
PHL → IAH · 12:54 PM · scheduled
ORD → PHL · 6:53 AM · scheduled
ORD → PHL · 7:01 AM · scheduled
PHL → IAH · 12:50 PM · scheduled