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

SKYWEST · FLIGHT OO 3880 LANDED 2:25 PM MT, ~133 MIN LATE
Yesterday

OO 3880 · SLC → HLN

took off 1:26 PM MT · landed 2:25 PM MT (scheduled 10:45 AM MT → 12:15 PM MT)
Forecast issued Tue 10:00 PM ET · 9h after departure

Odds over time

Arrive at HLN more than 15 minutes late?
Late chance · ±0 pts +0 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% 2.8d 2d 1d 12h 6h Departs Lands

How late did it get to HLN?

RESOLVED
  1. On time or early
    –
  2. 15–30 min late
    –
  3. 30 min–1 hour late
    –
  4. 1–2 hours late
    –
  5. Over 2 hours late
    ✓

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