Frontier Airlines RDU to DEN on-time performance
Frontier Airlines nonstop flights from Raleigh/Durham to Denver · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
1.4%
4 flights
Avg arrival delay
14 min
75 min when late
Rank on route
#2 of 3
route average 81% on time
Key facts
- Frontier Airlines flights on RDU to DEN arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 7% 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 (43%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft43%
- Extreme weather25%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)10%
- Security0%
Other airlines on RDU to DEN
- United Airlines87% on time · 13 min avg delay
- Southwest Airlines75% on time · 15 min avg delay
Full RDU to DEN comparison →
Frontier Airlines on-time record across all routes →
291 Frontier Airlines flights tracked on this route; 4 cancelled, 2 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.