Chicago is exactly 2 hours ahead of Seattle year-round. When it's 10:00 AM in Chicago, it's 8:00 AM in Seattle. Both cities observe daylight saving time on the same schedule.
Chicago uses Central Time while Seattle uses Pacific Time. The 2-hour difference remains constant throughout the year.
Optimal meeting window: 10:00 AM - 5:00 PM Chicago time (8:00 AM - 3:00 PM Seattle). Good overlap for business coordination.
Both Chicago and Seattle are major US cities with strong tech sectors. Boeing has significant operations in both cities, and United Airlines connects them frequently.