Frontier Airlines SJU to ATL on-time performance
Frontier Airlines nonstop flights from San Juan to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
54%
arrived < 15 min late
Cancelled
2.1%
8 flights
Avg arrival delay
42 min
89 min when late
Rank on route
#2 of 3
route average 81% on time
Key facts
- Frontier Airlines flights on SJU to ATL arrived on time 54% of the time in Aug 2025 – Jul 2026.
- 2.1% were cancelled, and 19% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion17%
- Extreme weather1%
- Security0%
Other airlines on SJU to ATL
- Delta Air Lines91% on time · 8 min avg delay
- Spirit Airlines22% on time · 51 min avg delay
Full SJU to ATL comparison →
Frontier Airlines on-time record across all routes →
375 Frontier Airlines flights tracked on this route; 8 cancelled, 3 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.