Flight Reliability
B6 509 · JetBlue Airways
Boston → Jacksonville (BOS–JAX)
52
A Little Dicey
WanderNerd Reliability Score
- 57%
- Arrive within 15 minutes
- 27 min
- Average arrival delay
- 0%
- Cancelled
- 10 min
- Median arrival delay
Based on 82 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
B6 509 arrived on time 75% of the time on Mondays and just 36% on Sundays. That gap is worth planning around.
Well behind the BOS–JAX route.
B6 509 arrived on time 57% of the time, versus 75% across the BOS–JAX route.
Well behind the JetBlue Airways network.
B6 509 arrived on time 57% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon75%(12 flights)
- Tue—(7 flights)
- Wed—(7 flights)
- Thu50%(14 flights)
- Fri50%(14 flights)
- Sat62%(13 flights)
- Sun36%(14 flights)
82%
May
Jun 43% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 43% | 14 |
| July 2025 | 48% | 31 |
| August 2025 | 61% | 23 |
| May 2026 | 82% | 11 |
- Departures on time
- 55%
- Diverted
- 1.2%
- Flights flown
- 81
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 82 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.