Frontier Airlines MIA to PHL on-time performance
Frontier Airlines nonstop flights from Miami to Philadelphia · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
3.0%
11 flights
Avg arrival delay
26 min
88 min when late
Rank on route
#3 of 3
route average 75% on time
Key facts
- Frontier Airlines flights on MIA to PHL arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 3% were cancelled, and 15% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (66%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft66%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion11%
- Extreme weather1%
- Security0%
Other airlines on MIA to PHL
- American Airlines76% on time · 20 min avg delay
- Spirit Airlines75% on time · 17 min avg delay
Full MIA to PHL comparison →
Frontier Airlines on-time record across all routes →
362 Frontier Airlines flights tracked on this route; 11 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.