Frontier Airlines STT to SJU on-time performance
Frontier Airlines nonstop flights from Charlotte Amalie to San Juan · Aug 2025 – Jul 2026
On-time arrivals
50%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
177 min
352 min when late
Rank on route
#2 of 2
route average 71% on time
Key facts
- Frontier Airlines flights on STT to SJU arrived on time 50% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 33% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (94%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)94%
- Late-arriving aircraft6%
- Air traffic control & airport congestion0%
- Extreme weather0%
- Security0%
Other airlines on STT to SJU
- JetBlue72% on time · 22 min avg delay
Full STT to SJU comparison →
Frontier Airlines on-time record across all routes →
6 Frontier Airlines flights tracked on this route; 0 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.