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.

PSA · FLIGHT OH 5535 LANDED 2:40 PM ET, ~4 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

OH 5535 · CLE → DCA

took off 1:44 PM ET · landed 2:40 PM ET (scheduled time unknown)
Forecast issued Tue 6:00 PM ET · 4h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
33% chance · ±0 pts +7 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% 20h 12h 6h Departs Lands