Schedule: a typical summer Thursday (the flights of Jul 30, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

ENVOY · FLIGHT MQ 3954 SCHEDULED · TYPICAL SCHEDULE
Yesterday

MQ 3954 · STL → MIA

departs 11:00 AM CT · arrives 2:46 PM ET
Forecast issued Thu 10:00 PM ET · 10h after departure

Odds over time

Arrive at MIA more than 15 minutes late?
37% chance · ±0 pts −11 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% 2.8d 2d 1d 12h 6h Departs Lands

How late will it get to MIA?

  1. On time or early
    62%
  2. 15–30 min late
    18%
  3. 30 min–1 hour late
    11%
  4. 1–2 hours late
    5%
  5. Over 2 hours late
    3%
  6. Cancelled
    2%

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