Frontier Airlines DEN to PHL on-time performance
Frontier Airlines nonstop flights from Denver to Philadelphia · Aug 2025 – Jul 2026
On-time arrivals
66%
arrived < 15 min late
Cancelled
3.0%
9 flights
Avg arrival delay
33 min
95 min when late
Rank on route
#3 of 4
route average 74% on time
Key facts
- Frontier Airlines flights on DEN to PHL arrived on time 66% of the time in Aug 2025 – Jul 2026.
- 3% were cancelled, and 14% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (60%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)60%
- Late-arriving aircraft27%
- Air traffic control & airport congestion12%
- Extreme weather0%
- Security0%
Other airlines on DEN to PHL
- United Airlines80% on time · 14 min avg delay
- American Airlines79% on time · 23 min avg delay
- Southwest Airlines63% on time · 23 min avg delay
Full DEN to PHL comparison →
Frontier Airlines on-time record across all routes →
296 Frontier Airlines flights tracked on this route; 9 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.