Thank you for that rabbit hole! The most expensive one is the 777-9. It's apparently the longest and widest plane ever[^1]. [^1]: https://www.cnn.com/travel/ar

Thank you for that rabbit hole! The most expensive one is the 777-9. It's apparently the longest and widest plane ever[^1]. [^1]: https://www.cnn.com/travel/article/boeing-777x-9-first-flight/index.html https://www.cnn.com/travel/article/boeing-777x-9-first-fligh...