Before the 737 NG, Southwest operated the 737 Classic ... The planes are also equipped with the Boeing Sky Interior, which ...

“Boeing Business Jets is offering customers a new, streamlined approach to designing a unique, comfortable, and functional interior for our BBJ 737-7 jet,” said BBJ President Joe Benson.

Lufthansa have allocated their new fleet of Boeing 737 MAX-8's to Eurowings, replacing their old fleet of Airbus A319's and A320's.