Spirit Airlines IAH to SJU on-time performance
Spirit Airlines nonstop flights from Houston to San Juan · Aug 2025 – Jul 2026
On-time arrivals
57%
arrived < 15 min late
Cancelled
3.6%
2 flights
Avg arrival delay
35 min
77 min when late
Rank on route
#2 of 2
route average 83% on time
Key facts
- Spirit Airlines flights on IAH to SJU arrived on time 57% of the time in Aug 2025 – Jul 2026.
- 3.6% were cancelled, and 19% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (35%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion35%
- Late-arriving aircraft34%
- Airline (crew, maintenance, cleaning, fueling)27%
- Extreme weather4%
- Security0%
Other airlines on IAH to SJU
- United Airlines84% on time · 8 min avg delay
Full IAH to SJU comparison →
Spirit Airlines on-time record across all routes →
56 Spirit Airlines flights tracked on this route; 2 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.