Originally Posted by
Mugatu
319 CASM is high. The reason other airlines have them is because they’re old, paid off and have 1st class, and are slowly replaced by 320neo. Take a look at Airbus 319 order book. Almost zero.
United is replacing the 319s (126 seats) with 321 NEOs (200 seats). That's 74 more seats. That's a lot more Basic Economy seats that can be added each flight.