United Airlines EWR to SJU on-time performance
United Airlines nonstop flights from Newark to San Juan · Aug 2025 – Jul 2026
On-time arrivals
70%
arrived < 15 min late
Cancelled
2.2%
24 flights
Avg arrival delay
24 min
78 min when late
Rank on route
#2 of 4
route average 71% on time
Key facts
- United Airlines flights on EWR to SJU arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 2.2% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)44%
- Late-arriving aircraft29%
- Air traffic control & airport congestion24%
- Extreme weather3%
- Security0%
Other airlines on EWR to SJU
- JetBlue75% on time · 20 min avg delay
- Frontier Airlines56% on time · 47 min avg delay
- Spirit Airlines69% on time · 23 min avg delay
Full EWR to SJU comparison →
United Airlines on-time record across all routes →
1,113 United Airlines flights tracked on this route; 24 cancelled, 0 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.