Flight Reliability
B6 1003 · JetBlue Airways
New York → San Juan (JFK–SJU)
52
A Little Dicey
WanderNerd Reliability Score
- 66%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 4.1%
- Cancelled
- 3 min
- Median arrival delay
Based on 197 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
B6 1003 arrived on time 82% of the time on Tuesdays and just 46% on Sundays. That gap is worth planning around.
A bit behind the JFK–SJU route.
B6 1003 arrived on time 66% of the time, versus 72% across the JFK–SJU route.
Lagging the JetBlue Airways network.
B6 1003 arrived on time 66% of the time, versus 73% across the JetBlue Airways network.
Keep a backup plan handy.
B6 1003 was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon77%(26 flights)
- Tue82%(27 flights)
- Wed73%(30 flights)
- Thu63%(27 flights)
- Fri67%(27 flights)
- Sat52%(25 flights)
- Sun46%(26 flights)
- 9 AM–12 PM66%(187 flights)
- 12–3 PM—(1 flights)
80%
May
Nov 73% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 73% | 22 |
| December 2025 | 56% | 27 |
| January 2026 | 70% | 27 |
| February 2026 | 58% | 26 |
| March 2026 | 61% | 31 |
| April 2026 | 79% | 29 |
| May 2026 | 80% | 20 |
- Departures on time
- 71%
- Diverted
- 0.5%
- Flights flown
- 188
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 197 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.