Direct (nonstop) flights from Chicago to Decatur
1 airline flys nonstop from Chicago O Hare International (ORD) to Decatur (DEC). It's 156 miles (251 km), about 1h 7m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
Looking for the return flight?
DEC → ORD: Flights from Decatur to ChicagoOther direct flights from Chicago
Frequently Asked Questions
How long is the direct flight from Chicago to Decatur?
A nonstop flight from Chicago (ORD) to Decatur (DEC) takes approximately 1 hours and 7 minutes. The distance is 156 miles (251 km).
Which airlines fly nonstop from Chicago to Decatur?
Just United Airlines.
Is there a nonstop flight from Chicago to Decatur?
Yes. 1 airline: United Airlines.
How far is Chicago from Decatur?
The flight distance from Chicago to Decatur is 156 miles (251 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Chicago to Decatur?
At 1h 7m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Chicago to Decatur?
Roughly 29 kg CO2 per passenger one-way. That's about the same as driving 145 km.
Is the return flight from Decatur to Chicago also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Chicago to Decatur?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Chicago O Hare International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.