Frontier Airlines MIA to RDU on-time performance
Frontier Airlines nonstop flights from Miami to Raleigh/Durham · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
2.0%
4 flights
Avg arrival delay
16 min
63 min when late
Rank on route
#2 of 5
route average 71% on time
Key facts
- Frontier Airlines flights on MIA to RDU arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (53%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion20%
- Extreme weather4%
- Security0%
Other airlines on MIA to RDU
- American Airlines71% on time · 22 min avg delay
- Delta Air Lines65% on time · 33 min avg delay
- Envoy Air79% on time · 13 min avg delay
- Republic Airways64% on time · 30 min avg delay
Full MIA to RDU comparison →
Frontier Airlines on-time record across all routes →
199 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.