Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

UNITED · FLIGHT UA 2040 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Yesterday

UA 2040 · BOS → ORD

departs 5:00 PM ET · arrives 7:00 PM CT

Forecast issued Wed 10:00 PM ET · 5h after departure

UA 2040 isn’t flying BOS → ORD on Wed, Sep 30

This listing came from a typical schedule. According to the FAA, UA 2040 flies these legs that day:

EWR → STL · 7:39 PM · scheduled
EWR → STL · 7:40 PM · in the air
EWR → STL · 7:57 PM · scheduled