Frontier Airlines SJU to STT on-time performance
Frontier Airlines nonstop flights from San Juan to Charlotte Amalie · Aug 2025 – Jul 2026
On-time arrivals
50%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
165 min
325 min when late
Rank on route
#2 of 2
route average 70% on time
Key facts
- Frontier Airlines flights on SJU to STT arrived on time 50% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 17% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 70% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (93%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)93%
- Late-arriving aircraft7%
- Air traffic control & airport congestion0%
- Extreme weather0%
- Security0%
Other airlines on SJU to STT
- JetBlue71% on time · 20 min avg delay
Full SJU to STT 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.