Southwest Airlines PHX to MKE on-time performance
Southwest Airlines nonstop flights from Phoenix to Milwaukee · Aug 2025 – Jul 2026
On-time arrivals
69%
arrived < 15 min late
Cancelled
0.6%
6 flights
Avg arrival delay
18 min
52 min when late
Rank on route
#3 of 3
route average 72% on time
Key facts
- Southwest Airlines flights on PHX to MKE arrived on time 69% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion11%
- Extreme weather0%
- Security0%
Other airlines on PHX to MKE
- American Airlines79% on time · 16 min avg delay
- Frontier Airlines100% on time · 3 min avg delay
Full PHX to MKE comparison →
Southwest Airlines on-time record across all routes →
960 Southwest Airlines flights tracked on this route; 6 cancelled, 4 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.