Originally Posted by
skywardhunter
Occasionally, but not regularly or anything. There's a rare lucky flight from what I'm aware
They are definitely flying newer planes to ORD with the new J product but not the newest with new F product. A big step up from the ECx airframes that used to ply the route. Someone did post somewhere that their ORD flight is showing as a 6F airframe but probably that's a one off