This specific designation refers to a scheduled passenger flight operated by Alaska Airlines. Such a designation uniquely identifies a particular flight operated by a specific airline, allowing for tracking, scheduling, and identification. For instance, different flight numbers distinguish routes between Seattle and Anchorage, even if operated by the same airline.
Specific flight numbers provide crucial information for travelers, airline personnel, and aviation authorities. They allow for efficient management of air traffic, passenger check-in procedures, baggage handling, and flight scheduling. Historically, flight numbers have evolved to become essential components of the aviation infrastructure, enabling global connectivity and facilitating safe and efficient air travel. Their standardized usage contributes significantly to the organization and reliability of modern aviation.