Frontier Airlines SJC to DEN on-time performance
Frontier Airlines nonstop flights from San Jose to Denver · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
7 min
41 min when late
Rank on route
#2 of 3
route average 81% on time
Key facts
- Frontier Airlines flights on SJC to DEN arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 2% 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 (36%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft36%
- Airline (crew, maintenance, cleaning, fueling)33%
- Extreme weather20%
- Air traffic control & airport congestion12%
- Security0%
Other airlines on SJC to DEN
- Southwest Airlines76% on time · 13 min avg delay
- United Airlines89% on time · 8 min avg delay
Full SJC to DEN comparison →
Frontier Airlines on-time record across all routes →
46 Frontier Airlines flights tracked on this route; 0 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.