tailodds FORECAST

Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

UNITED · FLIGHT UA 1665 SCHEDULED · TYPICAL SCHEDULE

UA 1665 · SFO → BOS

departs 11:05 PM PT · arrives 8:01 AM ET
Forecast issued Tue 5:00 PM ET · 57h before departure
Arrive at BOS more than 15 minutes late?
11% chance · ±1 pts – · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% Now 2d 1d 12h 6h Departs Lands

How late will it get to BOS?

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

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