As potus18 found, the New York to Los Angeles flight will operate on a Boeing 777 from April 7 through April 24, while the San Francisco to Chicago flight will operate on a Boeing 787-8 between March 28 and April 24. Finally, Los Angeles to Chicago will fly on a 787-9 between March 29-June 3, the longest period.
But that's not all. As TPG's Benji Stawski discovered, American is selling some of the flights as a two cabin flight on the LAX-JFK route. He discovered that first class is priced like business class and has a business fare code but still lists first-class perks like 3 free checked bags. You are also able to book American's premium economy as Main Cabin Extra, he discovered.
As you can see, $708 one-way is a steal for a ticket technically showing up as Flagship First. It's unclear if you'll be able to access to Flagship First Dining, a sit-down, restaurant-style dining experience available only to those passengers traveling in first class on a three-cabin international or premium transcontinental flight.
If you plan to fly between Los Angeles and Chicago this spring, you'll be able to fly American's 787-9 business class. It consists of one large cabin arranged in eight rows of reverse-herringbone 1-2-1 seating, as we reported in 2018. If you're on a San Francisco to Chicago flight will on the Boeing 787-8, a two-cabin aircraft 28 business class seats. Business class features both forward-facing and backward-facing seats in a 1-2-1 configuration. All 28 seats are lie-flat and have direct aisle access. There’s a larger forward cabin of five rows and a mini-cabin of two rows behind the main business-class galley and bathrooms.
Further reading: How to fly AA’s best lie-flat business-class seats without needing a passport
