JetBlue EWR to SJU on-time performance
JetBlue nonstop flights from Newark to San Juan · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
4.0%
26 flights
Avg arrival delay
20 min
76 min when late
Rank on route
#1 of 4
route average 71% on time
Key facts
- JetBlue flights on EWR to SJU arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 4% were cancelled, and 11% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (40%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion23%
- Extreme weather5%
- Security1%
Other airlines on EWR to SJU
- United Airlines70% on time · 24 min avg delay
- Frontier Airlines56% on time · 47 min avg delay
- Spirit Airlines69% on time · 23 min avg delay
Full EWR to SJU comparison →
JetBlue on-time record across all routes →
656 JetBlue flights tracked on this route; 26 cancelled, 1 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.