LINK. Roll out will be gradual, so the route will see a mix of A321 and existing B762 service for a time. A reminder - the A321 will feature 10 F, 20 J, 36 MCE and 36 Y seats. First flights to feature the A321 will be... JFK-LAX: AA133 and AA181 LAX-JFK: AA118 and AA10. Reservations open tomorrow. For more detailed roll out, click the link.