Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 4156 IN THE AIR (OFF 10:47 AM PT, ETA 1:52 PM MT)
Today

WN 4156 · PDX → DEN

took off 10:47 AM PT · expected to land 1:52 PM MT (scheduled 10:35 AM PT → 2:10 PM MT)
Forecast issued Wed 1:00 PM ET · 1h before departure

Odds over time

Arrive at DEN more than 15 minutes late?
<1% chance · ±0 pts −21 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% 1.0d 12h 6h Departs Now Lands

How late will it get to DEN?

LIVE
  1. On time or early
    99%
  2. 15–30 min late
    <1%
  3. 30 min–1 hour late
    0%
  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.