Flight Reliability
B6 404 · JetBlue Airways
San Juan → Raleigh–Durham (SJU–RDU)
89
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 131 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
B6 404 departing between 6–9 PM arrived on time 91% of the time, versus 80% between 9 AM–12 PM.
Tuesdays have been rough.
B6 404 arrived on time 100% of the time on Wednesdays and just 62% on Tuesdays. That gap is worth planning around.
Better than the JetBlue Airways network average.
B6 404 arrived on time 81% of the time, versus 73% across the JetBlue Airways network.
It basically never cancels.
Out of 131 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon77%(22 flights)
- Tue62%(13 flights)
- Wed100%(12 flights)
- Thu83%(23 flights)
- Fri87%(23 flights)
- Sat73%(15 flights)
- Sun83%(23 flights)
- 9 AM–12 PM80%(120 flights)
- 6–9 PM91%(11 flights)
91%
May
Jun 77% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 26 |
| July 2025 | 94% | 31 |
| August 2025 | 68% | 31 |
| September 2025 | 72% | 18 |
| October 2025 | 93% | 14 |
| May 2026 | 91% | 11 |
- Departures on time
- 70%
- Diverted
- 0%
- Flights flown
- 131
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 131 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.