Dhaka, April 26 -- As commercial aviation approaches a new wave of centennial celebrations, airlines are increasingly leaning into nostalgia to engage passengers. One of the latest examples comes from American Airlines, which is introducing retro-style trading cards for travelers as part of its anniversary-themed initiatives.

Beginning in early May, passengers on select flights will be able to receive collectible cards directly from pilots, with a wider rollout planned ahead of the busy summer travel period. The airline says the initiative is intended to celebrate its 100-year history while strengthening the connection between crew and passengers.

The collectible series features both modern aircraft and historically significant models t...