Flight B6303
JetBlue Airways flight B6303
Looking for B6303 in the air…
New York (JFK) to San Juan (SJU)
Historically, this flight arrives 15+ minutes late 61% of the time, and when it is late the delay averages 101 minutes. It was cancelled 4.2% of the time.
- On-time arrivals
- 38.6%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 119
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 8%
- Extreme weather 4%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 24% of the time, and when it is late the delay averages 95 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 76.0%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 98
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 22%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 1 |
| October 2025 | 33.3% | 18 |
| February 2026 | 60.0% | 17 |
| March 2026 | 74.2% | 31 |
| April 2026 | 83.3% | 30 |
| May 2026 | 78.6% | 28 |
| June 2026 | 63.3% | 30 |
| July 2026 | 25.9% | 31 |
| August 2026 | 16.7% | 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