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.

LUFTHANSA · FLIGHT LH 400 PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME) · SCHEDULED TIME UNKNOWN
Yesterday

LH 400 · KEF → JFK

took off 4:02 PM GMT · probably landed (not confirmed) (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 7h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
26% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 1h Departs Lands