The length of a flight to Chicago depends primarily on your departure location:

• From major U.S. hubs on the East Coast (e.g., New York), direct flights typically take about 2 hours

• From the West Coast (e.g., Los Angeles), flights usually last around 4 hours

• From cities in the central U.S. like Dallas or Denver, flights take approximately 2 to 2.5 hours

• From Miami, flights are about 3 hours

• For international flights, durations vary significantly:
  • From London, flights take roughly 8 to 9 hours

* From Tokyo, flights can be around 12 to 15 hours depending on connections

* From Salzburg, Austria, a connecting flight to Chicago can take 11 hours 15 minutes or more.

These times generally refer to direct flights; connecting flights will add layover time and extend total travel duration. Weather, air traffic, and aircraft type can also affect flight times

. In summary, domestic flights to Chicago range from about 2 to 4 hours, while international flights vary from 8 hours upwards depending on the origin