Frontier Airlines CLE to DEN on-time performance
Frontier Airlines nonstop flights from Cleveland to Denver · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
2.0%
6 flights
Avg arrival delay
15 min
57 min when late
Rank on route
#3 of 3
route average 82% on time
Key facts
- Frontier Airlines flights on CLE to DEN arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (46%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft46%
- Air traffic control & airport congestion35%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather2%
- Security0%
Other airlines on CLE to DEN
- United Airlines87% on time · 10 min avg delay
- Southwest Airlines78% on time · 14 min avg delay
Full CLE to DEN comparison →
Frontier Airlines on-time record across all routes →
294 Frontier Airlines flights tracked on this route; 6 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.