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.
JETBLUE · FLIGHT B6 1034SCHEDULED · TYPICAL ODDS
B6 1034 · SFO → BOS
departs 11:58 PM PT · arrives 8:40 AM ET
Forecast issued Mon 10:00 PM ET · 101h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Friday 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.
Odds over time
Arrive at BOS more than 15 minutes late?
26%chance · ±7 pts– · 24h
HOW SURE WE ARELow. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
How late will it get to BOS?
On time or early
73%
15 min–1 hour late
16%
Over 1 hour late
10%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.