Not certain, but I think observers here have posted that there is already a multiyear backlog of orders. If we ordered today, we wouldn’t see a jet for 5+ years.

I still think the “swap Rolls for 797” was UA’s plan. Scramble mode now.

As to single-aisle: I wonder how accurate the statement is. Every other article I’ve read says it could be a one OR two, depending on how configured.