Direct (nonstop) flights from Decatur to Chicago
1 airline flys nonstop from Decatur (DEC) to Chicago O Hare International (ORD). It's 156 miles (251 km), about 1h 10m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
UA
United Airlines
Looking for the return flight?
ORD → DEC: Flights from Chicago to DecaturDirect flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from Decatur to Chicago?
A nonstop flight from Decatur (DEC) to Chicago (ORD) takes approximately 1 hours and 10 minutes. The distance is 156 miles (251 km).
Which airlines fly nonstop from Decatur to Chicago?
Just United Airlines.
Is there a nonstop flight from Decatur to Chicago?
Yes. 1 airline: United Airlines.
How far is Decatur from Chicago?
The flight distance from Decatur to Chicago is 156 miles (251 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Decatur to Chicago?
At 1h 10m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Decatur to Chicago?
Roughly 29 kg CO2 per passenger one-way. That's about the same as driving 145 km.
Is the return flight from Chicago to Decatur 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 Decatur to Chicago?
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 Decatur for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.