Frontier Airlines ATL to MDW on-time performance
Frontier Airlines nonstop flights from Atlanta to Chicago · Aug 2025 – Jul 2026
On-time arrivals
65%
arrived < 15 min late
Cancelled
2.4%
15 flights
Avg arrival delay
33 min
92 min when late
Rank on route
#3 of 3
route average 76% on time
Key facts
- Frontier Airlines flights on ATL to MDW arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 2.4% were cancelled, and 16% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (57%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft57%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion15%
- Extreme weather0%
- Security0%
Other airlines on ATL to MDW
- Southwest Airlines75% on time · 16 min avg delay
- Delta Air Lines82% on time · 11 min avg delay
Full ATL to MDW comparison →
Frontier Airlines on-time record across all routes →
621 Frontier Airlines flights tracked on this route; 15 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.