American Airlines SJU to MIA on-time performance
American Airlines nonstop flights from San Juan to Miami · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.7%
15 flights
Avg arrival delay
20 min
89 min when late
Rank on route
#1 of 3
route average 78% on time
Key facts
- American Airlines flights on SJU to MIA arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 9% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (52%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion8%
- Extreme weather3%
- Security0%
Other airlines on SJU to MIA
- Frontier Airlines78% on time · 22 min avg delay
- Spirit Airlines71% on time · 30 min avg delay
Full SJU to MIA comparison →
American Airlines on-time record across all routes →
2,110 American Airlines flights tracked on this route; 15 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.