Flight Reliability
B6 1743 · JetBlue Airways
Jacksonville → San Juan (JAX–SJU)
76
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.8%
- Cancelled
- 7 min early
- Median arrival delay
Based on 57 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
B6 1743 departing between 6–9 PM arrived on time 87% of the time, versus 71% between 3–6 PM.
Saturdays have been rough.
B6 1743 arrived on time 92% of the time on Fridays and just 58% on Saturdays. That gap is worth planning around.
A bit behind the JAX–SJU route.
B6 1743 arrived on time 75% of the time, versus 80% across the JAX–SJU route.
The breakdown
- Mon80%(10 flights)
- Tue—(3 flights)
- Wed82%(11 flights)
- Thu—(4 flights)
- Fri92%(12 flights)
- Sat58%(12 flights)
- Sun—(4 flights)
- 3–6 PM71%(41 flights)
- 6–9 PM87%(15 flights)
79%
May
Mar 70% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| March 2026 | 70% | 10 |
| April 2026 | 71% | 17 |
| May 2026 | 79% | 29 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 56
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 57 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.