Spirit Airlines MIA to SJU on-time performance
Spirit Airlines nonstop flights from Miami to San Juan · Aug 2025 – Jul 2026
On-time arrivals
59%
arrived < 15 min late
Cancelled
4.7%
7 flights
Avg arrival delay
46 min
108 min when late
Rank on route
#3 of 3
route average 75% on time
Key facts
- Spirit Airlines flights on MIA to SJU arrived on time 59% of the time in Aug 2025 – Jul 2026.
- 4.7% were cancelled, and 24% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (40%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion29%
- Extreme weather1%
- Security0%
Other airlines on MIA to SJU
- American Airlines77% on time · 17 min avg delay
- Frontier Airlines72% on time · 25 min avg delay
Full MIA to SJU comparison →
Spirit Airlines on-time record across all routes →
150 Spirit Airlines flights tracked on this route; 7 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.