Frontier Airlines MDW to PHL on-time performance
Frontier Airlines nonstop flights from Chicago to Philadelphia · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
1.5%
1 flights
Avg arrival delay
27 min
154 min when late
Rank on route
#1 of 2
route average 76% on time
Key facts
- Frontier Airlines flights on MDW to PHL arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was extreme weather (55%).
On-time trend by month
Why this airline's flights were late
- Extreme weather55%
- Late-arriving aircraft16%
- Airline (crew, maintenance, cleaning, fueling)15%
- Air traffic control & airport congestion14%
- Security0%
Other airlines on MDW to PHL
- Southwest Airlines76% on time · 15 min avg delay
Full MDW to PHL comparison →
Frontier Airlines on-time record across all routes →
68 Frontier Airlines flights tracked on this route; 1 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.