Flight Reliability
B6 721 · JetBlue Airways
Boston → West Palm Beach (BOS–PBI)
26
Bring Snacks
WanderNerd Reliability Score
- 53%
- Arrive within 15 minutes
- 38 min
- Average arrival delay
- 4.1%
- Cancelled
- 11 min
- Median arrival delay
Based on 172 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
B6 721 departing between 6–9 PM arrived on time 58% of the time, versus 22% between 9 AM–12 PM.
Sunday scaries are real for this one.
B6 721 arrived on time 72% of the time on Mondays and just 39% on Sundays. That gap is worth planning around.
Lagging the BOS–PBI route.
B6 721 arrived on time 53% of the time, versus 67% across the BOS–PBI route.
Well behind the JetBlue Airways network.
B6 721 arrived on time 53% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon72%(25 flights)
- Tue62%(21 flights)
- Wed58%(19 flights)
- Thu48%(25 flights)
- Fri42%(24 flights)
- Sat57%(23 flights)
- Sun39%(26 flights)
- 9 AM–12 PM22%(18 flights)
- 12–3 PM50%(12 flights)
- 6–9 PM58%(133 flights)
60%
Apr
Nov 67% → Apr 60% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 67% | 21 |
| December 2025 | 36% | 28 |
| January 2026 | 57% | 30 |
| February 2026 | 46% | 24 |
| March 2026 | 58% | 31 |
| April 2026 | 60% | 25 |
- Departures on time
- 58%
- Diverted
- 1.2%
- Flights flown
- 163
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 172 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.