Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

UNITED · FLIGHT UA 422 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

UA 422 · ORD → ATH

departs 4:53 PM CT · arrives 10:27 AM EEST
Forecast issued Mon 1:00 PM ET · 5h before departure

Odds over time

Arrive at ATH more than 15 minutes late?
23% chance · ±0 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
LIVE IN THE AIR 0% 10% 20% 30% 40% 7h 6h Now Departs Lands