Originally Posted by
Flightcap
Revenue growth has to factor in CASM as well, and Embraer has had a tough time with unforeseen high CASM on the 190. That's a significant reason for Jetblue's decision to toss the 190s aside in favor of the 220. They'd better hope they have the CASM estimates right for the E2 or there will be a lot of disillusioned customers really quick.
the e2 shares the engine with the 220... the old CASM rates on the 190 were a product of its era. There were not competitors on that size with the right casm (maybe the 717 but there are regionals that own more crj200s than total 717s were created)