Flight time
2 h and 47 m
The United Airlines flight duration between Chicago and Denver is approximately 2 h and 47 m, though it may be influenced by additional factors.
Departure Airport
O'hare International Airport
When traveling with United Airlines from Chicago to Denver, your departure will be from O'hare International Airport.
Arrival Airport
Denver International
Whether you travel with United Airlines from Chicago to Denver, your arrival airport will be Denver International.