Tracked live by the FAA. The scheduled times shown are from a typical Friday because the FAA's flight plan was first seen after takeoff.

UNITED · FLIGHT UA 1938 IN THE AIR (OFF 7:27 PM ET, ETA 8:37 PM MT)
Today

UA 1938 · IAD → PHX

took off 7:27 PM ET · expected to land 8:37 PM MT (scheduled 5:50 PM ET → 7:46 PM MT)
Forecast issued Fri 10:00 PM ET · 4h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
100% chance · ±0 pts +14 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 3.8d 2d 1d 12h 6h Departs Lands

How late will it get to PHX?

LIVE
  1. On time or early
    0%
  2. 15–30 min late
    <1%
  3. 30 min–1 hour late
    58%
  4. 1–2 hours late
    42%
  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.