Flight Reliability
B6 399 · JetBlue Airways
New York → Orlando (LGA–MCO)
17
Bring Snacks
WanderNerd Reliability Score
- 51%
- Arrive within 15 minutes
- 38 min
- Average arrival delay
- 2.8%
- Cancelled
- 13 min
- Median arrival delay
Based on 143 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
B6 399 arrived on time 58% of the time on Sundays. On Thursdays: 44%.
Well behind the LGA–MCO route.
B6 399 arrived on time 51% of the time, versus 70% across the LGA–MCO route.
Well behind the JetBlue Airways network.
B6 399 arrived on time 51% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon47%(19 flights)
- Tue50%(18 flights)
- Wed50%(18 flights)
- Thu44%(18 flights)
- Fri57%(21 flights)
- Sat50%(20 flights)
- Sun58%(19 flights)
- 12–3 PM50%(126 flights)
- 3–6 PM—(7 flights)
76%
Oct
Jun 38% → Oct 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 38% | 24 |
| July 2025 | 27% | 26 |
| August 2025 | 41% | 29 |
| September 2025 | 72% | 29 |
| October 2025 | 76% | 25 |
- Departures on time
- 57%
- Diverted
- 4.2%
- Flights flown
- 133
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 143 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.