Flight Reliability
B6 1742 · JetBlue Airways
San Juan → Jacksonville (SJU–JAX)
85
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 1.8%
- Cancelled
- 9 min early
- Median arrival delay
Based on 57 historical flights. Data through May 2026.
What the data says
Wednesdays have been rough.
B6 1742 arrived on time 100% of the time on Fridays and just 73% on Wednesdays. That gap is worth planning around.
Better than the JetBlue Airways network average.
B6 1742 arrived on time 84% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon80%(10 flights)
- Tue—(3 flights)
- Wed73%(11 flights)
- Thu—(4 flights)
- Fri100%(12 flights)
- Sat75%(12 flights)
- Sun—(4 flights)
- 12–3 PM83%(54 flights)
- 3–6 PM—(2 flights)
86%
May
Mar 80% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| March 2026 | 80% | 10 |
| April 2026 | 82% | 17 |
| May 2026 | 86% | 29 |
- Departures on time
- 79%
- 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.