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.

FRONTIER · FLIGHT F9 4064 LANDED 3:40 PM ET, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Today

F9 4064 · ORD → BWI

took off 1:07 PM CT · landed 3:40 PM ET (scheduled time unknown)
Forecast issued Sat 5:00 PM ET · 3h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
42% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 20% 40% 60% 80% 2h Departs Lands Now