Flight Reliability
B6 831 · JetBlue Airways
ACK → New York (ACK–LGA)90% of its flights flew this route. The rest (PBI–LGA) are included in these numbers.
82
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 2.7%
- Cancelled
- 8 min early
- Median arrival delay
Based on 110 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
B6 831 arrived on time 100% of the time on Thursdays and just 69% on Mondays. That gap is worth planning around.
Better than the ACK–LGA route average.
B6 831 arrived on time 85% of the time, versus 77% across the ACK–LGA route.
Better than the JetBlue Airways network average.
B6 831 arrived on time 85% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon69%(16 flights)
- Tue91%(11 flights)
- Wed80%(10 flights)
- Thu100%(17 flights)
- Fri89%(18 flights)
- Sat94%(17 flights)
- Sun72%(18 flights)
91%
May
Jul 73% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 73% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 91% | 22 |
| May 2026 | 91% | 11 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 107
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 110 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.