Frontier Airlines MKE to PHX on-time performance
Frontier Airlines nonstop flights from Milwaukee to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
50%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
30 min
55 min when late
Rank on route
#3 of 3
route average 79% on time
Key facts
- Frontier Airlines flights on MKE to PHX arrived on time 50% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 25% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (62%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion62%
- Extreme weather22%
- Late-arriving aircraft11%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
Other airlines on MKE to PHX
- Southwest Airlines79% on time · 13 min avg delay
- American Airlines78% on time · 24 min avg delay
Full MKE to PHX comparison →
Frontier Airlines on-time record across all routes →
4 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.