Chicago is 2 hours ahead of Las Vegas. Las Vegas uses Pacific Time (PST/PDT) while Chicago uses Central Time (CST/CDT). When it's 9:00 AM in Las Vegas, it's 11:00 AM in Chicago.
Both cities observe daylight saving time on the same schedule, so the 2-hour difference remains constant year-round.
Best calling time: 7:00 AM - 3:00 PM Las Vegas time. This corresponds to 9:00 AM - 5:00 PM in Chicago, covering Chicago business hours.
Las Vegas and Chicago are connected by direct flights taking about 3.5 hours. Las Vegas is a popular convention and vacation destination for Chicago residents, with significant tourism traffic between the cities.