Flight B6861
JetBlue Airways flight B6861
Looking for B6861 in the air…
Boston (BOS) to San Juan (SJU)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 72 minutes. It was cancelled 2.5% of the time.
- On-time arrivals
- 73.4%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 364
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 44%
- Airline (crew, maintenance, cleaning) 28%
- Late-arriving aircraft 28%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.0% | 30 |
| October 2025 | 90.0% | 31 |
| November 2025 | 85.7% | 29 |
| December 2025 | 71.0% | 31 |
| January 2026 | 66.7% | 31 |
| February 2026 | 64.0% | 28 |
| March 2026 | 90.0% | 31 |
| April 2026 | 83.3% | 30 |
| May 2026 | 77.4% | 31 |
| June 2026 | 73.3% | 30 |
| July 2026 | 38.7% | 31 |
| August 2026 | 71.0% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data