Each airline has lost about 2 inches in seat width. These aren't even the smallest. Some airlines fill the Airbus A330 with 16.7" seats. For comparison, the average first class seat is 21" wide.

“Later this summer, American will also operate the new 787-9 from Philadelphia (PHL) to LHR and Zurich (ZRH). Flagship Suite ...

There are 600 currently in service with 82 airlines, including Air France, worldwide. Airbus has a further 300 orders for the aircraft. According to aviation expert Kieran Daly, the A330-200 is a ...