JetBlue JFK to SJU on-time performance
JetBlue nonstop flights from New York to San Juan · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
3.4%
75 flights
Avg arrival delay
26 min
77 min when late
Rank on route
#2 of 3
route average 70% on time
Key facts
- JetBlue flights on JFK to SJU arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 3.4% were cancelled, and 14% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 70% on time overall.
- The largest source of delay minutes was late-arriving aircraft (41%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion21%
- Extreme weather2%
- Security1%
Other airlines on JFK to SJU
- Delta Air Lines77% on time · 14 min avg delay
- Frontier Airlines56% on time · 49 min avg delay
Full JFK to SJU comparison →
JetBlue on-time record across all routes →
2,232 JetBlue flights tracked on this route; 75 cancelled, 3 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.