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.
JETBLUE · FLIGHT B6 256
SCHEDULED · TYPICAL SCHEDULE
Thursday, October 1
B6 256 · BZN → BOS
departs 12:37 PM MT · arrives 7:06 PM ET
Forecast issued Wed 12:00 AM ET · 39h before departure
Watch this flight
Other days
Today 30%
Thu 10/1
Fri 10/2 30%
Sat 10/3 28%
Sun 10/4 40%
Mon 10/5 34%
Tue 10/6 22%
Odds over time
Arrive at BOS more than 15 minutes late?
25%
chance · ±1 pts
+2 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
25%
Leave 15+ late
28%
Arrive 1h+ late
13%
Cancelled
1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
2.8d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at BOS more than 15 minutes late?
Calm-weather odds: 19% · changed +2 pts in 24h
+2 pts
25%
Yes 25%
No 75%
Leave BZN more than 15 minutes late?
Calm-weather odds: 22% · changed +1 pt in 24h
+1 pt
28%
Yes 28%
No 72%
Arrive at BOS more than an hour late?
Calm-weather odds: 8% · changed +1 pt in 24h
+1 pt
13%
Yes 13%
No 87%
Cancelled?
Calm-weather odds: 1% · changed +0 pts in 24h
+0 pts
1%
Yes 1%
No 99%
How late will it get to BOS?
On time or early
74%
15–30 min late
6%
30 min–1 hour late
6%
1–2 hours late
8%
Over 2 hours late
5%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
This flight has been late 30% of the time recently
↑
Arrivals into BOS at that hour are often late
↑
B6's recent on-time record
↓
Mostly benign weather forecast at BZN
↓
Visibility down to 1 mi forecast at BOS that day
Weather at each end
BZN (origin)
Gusts 9 kt Ceiling none (clear) Visibility 10+ mi Precip none
BOS (destination)
Gusts 16 kt Ceiling none (clear) Visibility 1 mi Precip none
How this resolves
Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.
Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.