Flight Reliability
B6 2940 · JetBlue Airways
San Juan → Christiansted (SJU–STX)
78
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.1%
- Cancelled
- 5 min early
- Median arrival delay
Based on 264 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 75% of the time, against 71% between 3–6 PM.
Sunday scaries are real for this one.
B6 2940 arrived on time 78% of the time on Tuesdays. On Sundays: 64%.
The breakdown
- Mon74%(39 flights)
- Tue78%(37 flights)
- Wed78%(37 flights)
- Thu78%(37 flights)
- Fri76%(37 flights)
- Sat71%(35 flights)
- Sun64%(39 flights)
- 12–3 PM75%(233 flights)
- 3–6 PM71%(28 flights)
62%
Apr
Jun 87% → Apr 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 77% | 31 |
| August 2025 | 77% | 30 |
| November 2025 | 77% | 30 |
| December 2025 | 68% | 31 |
| January 2026 | 67% | 30 |
| February 2026 | 74% | 27 |
| March 2026 | 77% | 31 |
| April 2026 | 62% | 13 |
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 261
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 264 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.