Most delayed flights from CMI: every route ranked

2 regularly flown nonstop routes from University of Illinois Willard Airport, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.

#	Destination	On time	Cancelled	Avg delay	Airlines	Flights
1	CMI → ORD Chicago, IL	76%	3.6%	22 min	1	1,066
2	CMI → DFW Dallas/Fort Worth, TX	86%	2.1%	16 min	1	719

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.