I actually upgraded to Alaska Airlines First Class after booking my economy ticket for a work trip to Seattle. At first, I thought upgrades were only possible during booking, but it turns out you can request them later if seats are available. A week before my flight, I called 831-298-4213 to ask about my options. The agent walked me through the upgrade process, explained the cost, and even helped me pick the best seat up front. Honestly, it was worth every penny — extra space, early boarding, and a much smoother trip. Since then, I always check for upgrade availability, even if I’ve already booked. If you’re looking to instantly book, cancel, or modify your Alaska Airlines flight (or just upgrade like I did), calling that number is the fastest way to get it done without the guesswork.