tailodds FORECAST

Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

REPUBLIC · FLIGHT YX 4390 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

YX 4390 · BOS → JFK

departs 5:46 PM ET · arrives 7:29 PM ET
Forecast issued Thu 4:00 PM ET · 26h before departure
Arrive at JFK more than 15 minutes late?
44% chance · ±5 pts −10 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 3.8d 2d Now 12h 6h Departs Lands

How late will it get to JFK?

  1. On time or early
    45%
  2. 15–30 min late
    0%
  3. 30 min–1 hour late
    7%
  4. 1–2 hours late
    18%
  5. Over 2 hours late
    11%
  6. Cancelled
    20%

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