Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 1643 SCHEDULED
Today

WN 1643 · ISP → BWI

departs 5:45 PM ET · arrives 7:11 PM ET
Forecast issued Sun 6:00 AM ET · 12h before departure

Odds over time

Arrive at BWI more than 15 minutes late?
50% chance · ±0 pts −3 pts · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 6.7d 2d 1d Now 6h Departs Lands

How late will it get to BWI?

  1. On time or early
    48%
  2. 15–30 min late
    12%
  3. 30 min–1 hour late
    24%
  4. 1–2 hours late
    2%
  5. Over 2 hours late
    10%
  6. Cancelled
    3%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.