Flight Reliability
B6 662 · JetBlue Airways
San Juan → Boston (SJU–BOS)
59
A Little Dicey
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 2.9%
- Cancelled
- 1 min
- Median arrival delay
Based on 69 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
B6 662 departing between 12–3 AM arrived on time 94% of the time, versus 55% between 6–9 PM.
Friday is doing you no favors.
B6 662 arrived on time 80% of the time on Sundays and just 50% on Fridays. That gap is worth planning around.
A bit behind the SJU–BOS route.
B6 662 arrived on time 67% of the time, versus 73% across the SJU–BOS route.
A bit behind the JetBlue Airways network.
B6 662 arrived on time 67% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon58%(12 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu67%(12 flights)
- Fri50%(12 flights)
- Sat—(5 flights)
- Sun80%(10 flights)
- 12–3 AM94%(18 flights)
- 6–9 PM55%(22 flights)
- 9 PM–12 AM59%(27 flights)
55%
May
Feb 50% → May 55% on time
| Month | On-time percentage | Flights |
|---|---|---|
| February 2026 | 50% | 12 |
| March 2026 | 82% | 28 |
| April 2026 | 63% | 16 |
| May 2026 | 55% | 11 |
- Departures on time
- 64%
- Diverted
- 0%
- Flights flown
- 67
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 69 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.