Cancun is 1 hour ahead of Chicago in winter, same time in summer. Chicago uses Central Time and observes DST, while Cancun uses Eastern Standard Time (EST, UTC-5) year-round without DST.
When it's 12:00 PM in Chicago, it's 1:00 PM in Cancun (CST) or 12:00 PM (CDT). The difference depends on whether Chicago is observing daylight saving time.
Most hours work! With a 0-1 hour difference, business hours overlap almost entirely. Chicago O'Hare is a major hub for Cancun flights.
Cancun is one of the most popular beach destinations for Chicago residents, especially during the cold winter months. Flights take about 3.5 hours.