RWS (Real World Simulations) is offering budding airline pilots a comprehensive set of real world flight plans for various US carriers. “….. Fly 50 real Delta, American, and Southwest flight plans, with real terminal/gate placement, and fly the same routes that real pilots fly. Newly added to RWFP is aircraft layouts, which give you the option of viewing the number of seats, aircraft and seat layouts and more before you fly….”.
Check it out here on simMarket.