Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 3657 IN THE AIR (OFF 11:32 AM MT, ETA 5:07 PM ET)
Today

WN 3657 · SLC → BWI

took off 11:32 AM MT · expected to land 5:07 PM ET (scheduled 11:10 AM MT → 5:17 PM ET)
Forecast issued Wed 1:00 PM ET · 0h before departure

Odds over time

Arrive at BWI more than 15 minutes late?
2% chance · ±0 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% 1.0d 12h 6h Departs Now Lands

How late will it get to BWI?

LIVE
  1. On time or early
    98%
  2. 15–30 min late
    2%
  3. 30 min–1 hour late
    <1%
  4. 1–2 hours late
    0%
  5. Over 2 hours late
    0%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%; while it’s in the air they come from the FAA’s arrival estimate.