WASHINGTON—Breeze Airways, the new U.S. carrier founded by entrepreneur David Neeleman, on Monday publicly unveiled an order for 20 more Airbus A220–330 aircraft as it looks to operate longer flights, confirming a Reuters report earlier this year. The order brings Breeze’s total A220 order to 80, making it the family’s second-biggest customer after Delta Air Lines and leapfrogging Neeleman-backed JetBlue. Breeze is Neeleman’s fifth commercial airline and is injecting new competition into a battered airline market as U.S. domestic travel recovers from the coronavirus crisis. It began operations in May using Embraer regional jets and plans to start using the new, Canadian-designed A220 on routes longer than two hours’ flight time from early 2022. “This just shows growth is on the way,” Neeleman told Reuters in an interview after confirming the purchase, which involved the exercising of purchase options. Reuters reported in April that Breeze had placed an order for …