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.

JETBLUE · FLIGHT B6 623 LANDED 7:03 PM PT, ~16 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

B6 623 · JFK → LAX

took off 4:47 PM ET · landed 7:03 PM PT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 5h after departure

Odds over time

Arrive at LAX more than 15 minutes late?
30% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 4h Departs Lands