The duration of air travel between Chicago and San Diego varies, dependent upon several factors. Non-stop flights represent the quickest option, whereas flights with layovers inevitably increase the total travel time. These layovers can range from brief connections to extended waits at connecting airports.
Understanding the typical time expenditure for this route is beneficial for travel planning. It allows passengers to allocate sufficient time for transportation to and from airports, security procedures, and potential delays. Historically, advancements in aircraft technology have gradually reduced flight times on long-distance routes such as this.