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.

DELTA · FLIGHT DL 1453 LANDED 8:52 PM ET, ~13 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

DL 1453 · MSY → BOS

took off 4:38 PM CT · landed 8:52 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 4h after departure

Odds over time

Arrive at BOS more than 15 minutes late?
53% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.1d 12h 6h Departs Lands Now