tailodds FORECAST

Schedule: a typical Monday (the flights of Jul 27, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SKYWEST · FLIGHT OO 4089 SCHEDULED · TYPICAL ODDS

OO 4089 · MSP → COS

departs 9:07 AM CT · arrives 10:27 AM MT
Forecast issued Wed 4:00 PM ET · 114h before departure

Typical odds Too early for a weather forecast — these are typical odds for this flight on a Monday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.

Arrive at COS more than 15 minutes late?
12% chance · ±4 pts +0 pts · 24h
HOW SURE WE ARE Low. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 6.4d Now 2d 1d 12h 6h Departs Lands

How late will it get to COS?

  1. On time or early
    88%
  2. 15–30 min late
    5%
  3. 30 min–1 hour late
    2%
  4. 1–2 hours late
    3%
  5. Over 2 hours late
    2%
  6. Cancelled
    <1%

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