Frontier Airlines EWR to SJU on-time performance
Frontier Airlines nonstop flights from Newark to San Juan · Aug 2025 – Jul 2026
On-time arrivals
56%
arrived < 15 min late
Cancelled
3.3%
6 flights
Avg arrival delay
47 min
103 min when late
Rank on route
#4 of 4
route average 71% on time
Key facts
- Frontier Airlines flights on EWR to SJU arrived on time 56% of the time in Aug 2025 – Jul 2026.
- 3.3% were cancelled, and 16% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft33%
- Air traffic control & airport congestion21%
- Extreme weather0%
- Security0%
Other airlines on EWR to SJU
- United Airlines70% on time · 24 min avg delay
- JetBlue75% on time · 20 min avg delay
- Spirit Airlines69% on time · 23 min avg delay
Full EWR to SJU comparison →
Frontier Airlines on-time record across all routes →
183 Frontier Airlines flights tracked on this route; 6 cancelled, 2 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.