Flight B6304
JetBlue Airways flight B6304
Looking for B6304 in the air…
San Juan (SJU) to New York (JFK)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 84 minutes. It was cancelled 5.9% of the time.
- On-time arrivals
- 70.3%
- Less than 15 minutes late
- Cancelled
- 5.9%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 222
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 10%
- 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 | 73.3% | 30 |
| October 2025 | 84.0% | 25 |
| November 2025 | 60.0% | 10 |
| December 2025 | 64.3% | 15 |
| January 2026 | 66.7% | 5 |
| February 2026 | 60.0% | 12 |
| March 2026 | 90.0% | 20 |
| April 2026 | 92.3% | 13 |
| May 2026 | 63.6% | 11 |
| June 2026 | 85.7% | 29 |
| July 2026 | 47.1% | 21 |
| August 2026 | 42.9% | 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