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.

SOUTHWEST · FLIGHT WN 697 LANDED 9:15 PM ET, ~3 MIN EARLY · SCHEDULED TIME UNKNOWN
Yesterday

WN 697 · BOS → BWI

took off 8:16 PM ET · landed 9:15 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
46% chance · ±1 pts −2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.2d 1d 12h 6h Departs Lands Now