Frontier Airlines AUS to MIA on-time performance
Frontier Airlines nonstop flights from Austin to Miami · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
21 min
83 min when late
Rank on route
#5 of 6
route average 79% on time
Key facts
- Frontier Airlines flights on AUS to MIA arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 11% arrived an hour or more late.
- That ranks #5 of 6 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (87%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft87%
- Airline (crew, maintenance, cleaning, fueling)7%
- Air traffic control & airport congestion6%
- Extreme weather0%
- Security0%
Other airlines on AUS to MIA
- American Airlines80% on time · 17 min avg delay
- Southwest Airlines66% on time · 17 min avg delay
- Delta Air Lines90% on time · 9 min avg delay
- Envoy Air78% on time · 16 min avg delay
- Spirit Airlines100% on time · 0 min avg delay
Full AUS to MIA comparison →
Frontier Airlines on-time record across all routes →
37 Frontier Airlines flights tracked on this route; 0 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.