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 640
SCHEDULED · TYPICAL SCHEDULE
Thursday, October 1 Tomorrow
B6 640 · CLE → BOS
departs 4:38 PM ET · arrives 6:29 PM ET
Forecast issued Wed 5:00 AM ET · 36h before departure
Watch this flight
Other days
Today 46%
Thu 10/1
Fri 10/2 44%
Sat 10/3 14%
Sun 10/4 42%
Mon 10/5 42%
Tue 10/6 24%
Odds over time
Arrive at BOS more than 15 minutes late?
30%
chance · ±2 pts
+2 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
30%
Leave 15+ late
38%
Arrive 1h+ late
17%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
2.9d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at BOS more than 15 minutes late?
Calm-weather odds: 20% · changed +2 pts in 24h
+2 pts
30%
Yes 30%
No 70%
Leave CLE more than 15 minutes late?
Calm-weather odds: 27% · changed +4 pts in 24h
+4 pts
38%
Yes 38%
No 62%
Arrive at BOS more than an hour late?
Calm-weather odds: 9% · changed +0 pts in 24h
+0 pts
17%
Yes 17%
No 83%
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
70%
15–30 min late
2%
30 min–1 hour late
10%
1–2 hours late
11%
Over 2 hours late
7%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
B6's recent on-time record
↑
Later flights pick up delays from earlier in the day
↑
Arrivals into BOS at that hour are often late
↓
Visibility down to 2 mi forecast at BOS that day
↓
CLE usually runs smoothly
Weather at each end
CLE (origin)
Gusts 18 kt Ceiling 7,000 ft Visibility 10+ mi Precip 0.03 in
BOS (destination)
Gusts 16 kt Ceiling none (clear) Visibility 2 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.