Here's a closer look at the Boeing Co. 737s ordered on Thursday by United Airlines:
The order: 50 jets.
Price: $89.6 million each.
First arrival: Late 2013. United operates 43 of this type currently.
Boeing 737 Max 9
The order: 100 jets, plus options for more.
Seats: Up to 215.
Price: $101.7 million each.
First arrival: 2018.
Notes: Plane makers disclose list prices, but steep discounts are common. United is a unit of United Continental Holdings Inc.