Flight Reliability
B6 1289 · JetBlue Airways
Newark → San Juan (EWR–SJU)
62
A Little Dicey
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 3.2%
- Cancelled
- 6 min early
- Median arrival delay
Based on 94 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
B6 1289 departing between 3–6 PM arrived on time 73% of the time, versus 64% between 9 PM–12 AM.
Saturdays have been rough.
B6 1289 arrived on time 92% of the time on Wednesdays and just 62% on Saturdays. That gap is worth planning around.
The breakdown
- Mon64%(14 flights)
- Tue77%(13 flights)
- Wed92%(12 flights)
- Thu62%(13 flights)
- Fri77%(13 flights)
- Sat62%(13 flights)
- Sun69%(13 flights)
- 3–6 PM73%(80 flights)
- 9 PM–12 AM64%(11 flights)
71%
Aug
Jun 73% → Aug 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 71% | 28 |
| August 2025 | 71% | 31 |
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 91
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 94 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.