If your Amtrak ticket doesn't show a seat number, don't worry. Sometimes, especially on certain routes or types of tickets, Amtrak operates with unassigned seating. This means you can sit in any available seat once onboard. It's a flexible way to travel, allowing you to choose where you're most comfortable during your journey. Just make sure to board on time to pick a spot that suits ... https://reservationsus.com/are-there-any-discounts-for-booking-early-on-the-train-from-boston-to-philadelphia/