Frontier Airlines PHX to MDW on-time performance
Frontier Airlines nonstop flights from Phoenix to Chicago · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
1.7%
2 flights
Avg arrival delay
28 min
84 min when late
Rank on route
#2 of 2
route average 72% on time
Key facts
- Frontier Airlines flights on PHX to MDW arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 1.7% were cancelled, and 12% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)39%
- Late-arriving aircraft31%
- Extreme weather21%
- Air traffic control & airport congestion9%
- Security0%
Other airlines on PHX to MDW
- Southwest Airlines72% on time · 15 min avg delay
Full PHX to MDW comparison →
Frontier Airlines on-time record across all routes →
118 Frontier Airlines flights tracked on this route; 2 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.