Flight Reliability
B6 2421 · JetBlue Airways
Boston → West Palm Beach (BOS–PBI)
49
Bring Snacks
WanderNerd Reliability Score
- 60%
- Arrive within 15 minutes
- 33 min
- Average arrival delay
- 1.7%
- Cancelled
- 9 min
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
B6 2421 arrived on time 73% of the time on Tuesdays and just 50% on Fridays. That gap is worth planning around.
A bit behind the BOS–PBI route.
B6 2421 arrived on time 60% of the time, versus 67% across the BOS–PBI route.
Lagging the JetBlue Airways network.
B6 2421 arrived on time 60% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon56%(18 flights)
- Tue73%(15 flights)
- Wed60%(15 flights)
- Thu50%(18 flights)
- Fri50%(18 flights)
- Sat73%(11 flights)
- Sun63%(19 flights)
64%
May
Jun 64% → May 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 25 |
| July 2025 | 41% | 29 |
| August 2025 | 60% | 25 |
| October 2025 | 73% | 22 |
| May 2026 | 64% | 11 |
- Departures on time
- 49%
- Diverted
- 0%
- Flights flown
- 114
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 116 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.