Schedule: the flights that flew on Monday, Oct 5, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

FRONTIER · FLIGHT F9 3377 SCHEDULED · TYPICAL SCHEDULE
Today

F9 3377 · SJU → MIA

departs 3:03 AM AT · arrives 5:57 AM ET
Forecast issued Mon 8:00 PM ET · 17h after departure

Odds over time

Arrive at MIA more than 15 minutes late?
25% chance · ±0 pts −6 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 6.1d 2d 1d 12h 6h Departs Lands

How late will it get to MIA?

  1. On time or early
    73%
  2. 15–30 min late
    2%
  3. 30 min–1 hour late
    12%
  4. 1–2 hours late
    5%
  5. Over 2 hours late
    5%
  6. Cancelled
    3%

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