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 503
SCHEDULED · TYPICAL SCHEDULE
Friday, October 2 Today
B6 503 · JFK → SJU
departs 9:59 AM ET · arrives 2:07 PM AT
Forecast issued Fri 2:00 AM ET · 8h before departure
Watch this flight
Other days
Today
Sat 10/3 24%
Sun 10/4 23%
Mon 10/5 25%
Tue 10/6 21%
Wed 10/7 28%
Thu 10/8 23%
Odds over time
Arrive at SJU more than 15 minutes late?
31%
chance · ±0 pts
+12 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
Arrive 15+ late
31%
Leave 15+ late
30%
Arrive 1h+ late
10%
Cancelled
5%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
3.5d
2d
1d
12h
Now
6h
Departs
Lands
Arrive at SJU more than 15 minutes late?
Calm-weather odds: 15% · changed +12 pts in 24h
+12 pts
31%
Yes 31%
No 69%
Leave JFK more than 15 minutes late?
Calm-weather odds: 22% · changed +6 pts in 24h
+6 pts
30%
Yes 30%
No 70%
Arrive at SJU more than an hour late?
Calm-weather odds: 4% · changed +4 pts in 24h
+4 pts
10%
Yes 10%
No 90%
Cancelled?
Calm-weather odds: <1% · changed +4 pts in 24h
+4 pts
5%
Yes 5%
No 95%
How late will it get to SJU?
On time or early
66%
15–30 min late
16%
30 min–1 hour late
4%
1–2 hours late
7%
Over 2 hours late
3%
Cancelled
5%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
B6's recent on-time record
↑
This flight has been late 28% of the time recently
↑
Mostly benign weather forecast at SJU
↓
Mostly benign weather forecast at JFK
↓
Early flights usually leave on time
Weather at each end
JFK (origin)
Gusts 16 kt Ceiling 3,500 ft Visibility 10+ mi Precip 0.04 in
SJU (destination)
Gusts 15 kt Ceiling none (clear) Visibility 10+ mi Precip 0.12 in
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.