Frontier Airlines DEN to RDU on-time performance
Frontier Airlines nonstop flights from Denver to Raleigh/Durham · Aug 2025 – Jul 2026
On-time arrivals
87%
arrived < 15 min late
Cancelled
1.4%
4 flights
Avg arrival delay
8 min
54 min when late
Rank on route
#1 of 3
route average 76% on time
Key facts
- Frontier Airlines flights on DEN to RDU arrived on time 87% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft36%
- Air traffic control & airport congestion16%
- Extreme weather1%
- Security0%
Other airlines on DEN to RDU
- United Airlines82% on time · 13 min avg delay
- Southwest Airlines65% on time · 20 min avg delay
Full DEN to RDU comparison →
Frontier Airlines on-time record across all routes →
290 Frontier Airlines flights tracked on this route; 4 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.