Chicago is always 1 hour behind New York. When it's 9:00 AM in New York, it's 8:00 AM in Chicago. Both cities observe DST on the same schedule, maintaining the 1-hour difference year-round.
New York uses EST/EDT while Chicago uses CST/CDT. Since both switch at the same time, the difference is always consistent.
Business hours overlap almost completely! 8:00 AM - 5:00 PM Chicago corresponds to 9:00 AM - 6:00 PM New York. Easy scheduling with just 1-hour offset.
Chicago and New York are America's top two financial centers. United, American, Delta, and JetBlue operate 40+ daily flights on this heavily trafficked route.