Not really sure the rationale here with respect to add “premium” seats. The 319/320 both have 12 FC seats, while the -700 has 12 and the -800 has 16. So all this for 4 seats?? The -900ER (Entire Runway) won’t do well in SNA with an 5700 foot runway, and if the runway is wet in LGA, that will be a struggle as well. 🤷‍♂️🤷‍♂️. Anyone who has flown both knows the 320 has much better runway performance, hands down.