Flight Reliability
B6 1889 · JetBlue Airways
Newark → San Juan (EWR–SJU)
82
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.7%
- Cancelled
- 12 min early
- Median arrival delay
Based on 177 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
B6 1889 departing between 6–9 AM arrived on time 93% of the time, versus 44% between 3–6 PM.
Mondays have been rough.
B6 1889 arrived on time 96% of the time on Wednesdays and just 68% on Mondays. That gap is worth planning around.
Better than the EWR–SJU route average.
B6 1889 arrived on time 81% of the time, versus 71% across the EWR–SJU route.
Better than the JetBlue Airways network average.
B6 1889 arrived on time 81% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon68%(25 flights)
- Tue74%(23 flights)
- Wed96%(24 flights)
- Thu85%(26 flights)
- Fri76%(25 flights)
- Sat88%(25 flights)
- Sun81%(26 flights)
- 3–6 AM82%(77 flights)
- 6–9 AM93%(67 flights)
- 9 AM–12 PM64%(11 flights)
- 12–3 PM—(3 flights)
- 3–6 PM44%(16 flights)
100%
May
Jun 83% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 76% | 29 |
| August 2025 | 80% | 30 |
| September 2025 | 87% | 30 |
| October 2025 | 96% | 25 |
| December 2025 | 58% | 12 |
| May 2026 | 100% | 11 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 174
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 177 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.