Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
JETBLUE · FLIGHT B6 1903
SCHEDULED · TYPICAL SCHEDULE
Monday, October 5
B6 1903 · RDU → SJU
departs 7:56 PM ET · arrives 11:34 PM AT
Forecast issued Sat 7:00 AM ET · 61h before departure
Watch this flight
Other days
Today 37%
Sun 10/4 41%
Mon 10/5
Fri 10/9 29%
Odds over time
Arrive at SJU more than 15 minutes late?
25%
chance · ±4 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
25%
Leave 15+ late
42%
Arrive 1h+ late
10%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
6.8d
Now
2d
1d
12h
6h
Departs
Lands
Arrive at SJU more than 15 minutes late?
Calm-weather odds: 18% · changed – in 24h
–
25%
Yes 25%
No 75%
Leave RDU more than 15 minutes late?
Calm-weather odds: 30% · changed – in 24h
–
42%
Yes 42%
No 58%
Arrive at SJU more than an hour late?
Calm-weather odds: 6% · changed – in 24h
–
10%
Yes 10%
No 90%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 99%
How late will it get to SJU?
On time or early
74%
15–30 min late
9%
30 min–1 hour late
6%
1–2 hours late
5%
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
↑
B6's recent on-time record
↑
Later flights pick up delays from earlier in the day
↑
7pm departures from RDU are often late
↓
Mondays in October are usually quieter than average
↓
Cloud base down to 200 ft, visibility down to 0.6 mi forecast at RDU that day
Weather at each end
RDU (origin)
Gusts 10 kt Ceiling 200 ft Visibility 0.6 mi Precip 0.02 in
SJU (destination)
Gusts 12 kt Ceiling 6,000 ft Visibility 10+ mi Precip 0.07 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.