Sky’s the limit for high-flyers with bed and private butler

Talk about some serious legroom.

Etihad Airways has laid out plans to offer passengers who find first-class seats a bit too tight a miniature suite featuring a closed-off bedroom, private bathroom, and a dedicated butler.

It is the latest salvo in the worldwide battle among airlines for well-heeled customers. Their willingness to spend big on premium seats can make a big difference to an airline’s bottom line.