Flight Reliability
B6 631 · JetBlue Airways
Boston → Orlando (BOS–MCO)
99
Nerd Approved
WanderNerd Reliability Score
- 91%
- Arrive within 15 minutes
- 15 min early
- Average arrival delay
- 0%
- Cancelled
- 16 min early
- Median arrival delay
Based on 53 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
B6 631 departing between 6–9 AM arrived on time 96% of the time, versus 86% between 9 AM–12 PM.
Well ahead of the BOS–MCO route.
B6 631 arrived on time 91% of the time, versus 71% across the BOS–MCO route.
Well ahead of the JetBlue Airways network.
B6 631 arrived on time 91% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon—(7 flights)
- Tue—(7 flights)
- Wed—(8 flights)
- Thu—(8 flights)
- Fri—(8 flights)
- Sat—(8 flights)
- Sun—(7 flights)
- 6–9 AM96%(24 flights)
- 9 AM–12 PM86%(29 flights)
- Departures on time
- 85%
- Diverted
- 0%
- Flights flown
- 53
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 53 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.