Spirit Airlines SJU to DTW on-time performance
Spirit Airlines nonstop flights from San Juan to Detroit · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
16 min
60 min when late
Rank on route
#2 of 2
route average 82% on time
Key facts
- Spirit Airlines flights on SJU to DTW arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 9% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (42%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion42%
- Late-arriving aircraft39%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather0%
- Security0%
Other airlines on SJU to DTW
- Delta Air Lines83% on time · 9 min avg delay
Full SJU to DTW comparison →
Spirit Airlines on-time record across all routes →
33 Spirit Airlines flights tracked on this route; 0 cancelled, 1 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.