Most delayed flights from AZO: every route ranked

2 regularly flown nonstop routes from Kalamazoo/Battle Creek International 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	AZO → DTW Detroit, MI	77%	2.2%	28 min	1	1,027
2	AZO → ORD Chicago, IL	80%	4.7%	18 min	2	964

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.