Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
JETBLUE · FLIGHT B6 635
SCHEDULED · TYPICAL SCHEDULE
Friday, October 2 Today
B6 635 · BUF → SJU
departs 7:00 AM ET · arrives 11:35 AM AT
Forecast issued Fri 4:00 PM ET · 9h after departure
Watch this flight
Other days
Today
Sat 10/3 15%
Mon 10/5 13%
Odds over time
Arrive at SJU more than 15 minutes late?
23%
chance · ±0 pts
+1 pt · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
23%
Leave 15+ late
16%
Arrive 1h+ late
8%
Cancelled
1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
3.4d
2d
1d
12h
6h
Departs
Lands
Arrive at SJU more than 15 minutes late?
Calm-weather odds: 20% · changed +1 pt in 24h
+1 pt
23%
Yes 23%
No 77%
Leave BUF more than 15 minutes late?
Calm-weather odds: 15% · changed +0 pts in 24h
+0 pts
16%
Yes 16%
No 84%
Arrive at SJU more than an hour late?
Calm-weather odds: 8% · changed +1 pt in 24h
+1 pt
8%
Yes 8%
No 92%
Cancelled?
Calm-weather odds: 1% · changed +0 pts in 24h
+0 pts
1%
Yes 1%
No 99%
How late will it get to SJU?
On time or early
76%
15–30 min late
12%
30 min–1 hour late
3%
1–2 hours late
4%
Over 2 hours late
4%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Cloud base down to 800 ft, 0.3 in of rain forecast at BUF that day
↑
B6's recent on-time record
↑
SJU is prone to delays
↓
Early flights usually leave on time
↓
7am departures from BUF are usually not late
Weather at each end
BUF (origin)
Gusts 22 kt Ceiling 600 ft Visibility 3 mi Precip 0.36 in
SJU (destination)
Gusts 22 kt Ceiling none (clear) Visibility 10+ 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.