Frontier wants to be an airline you'd choose to fly. Will first class and new perks do the trick?

When Spirit Airlines shut down in May, it left a major void for consumers. Its big yellow planes were gone, and so were the cheap fares that gave millions of travelers a way to fly affordably.Now, all eyes are on America's largest remaining budget airline.It's a carrier that, for years, has shared Spirit's bare-bones business model — and its checkered history of flight delays.But Frontier Airlines' new top executive is betting that, someday soon, you might find yourself choosing to fly with the airline. And not just because it's the cheapest option."I think there's huge opportunity for us," CEO James Dempsey told TPG in an exclusive interview."We're improving the product offering that we have," Dempsey added. "And we're continuing to keep fares low."First-class seats, Starlink Wi-Fi on the wayThis fall, Frontier will debut long-awaited first-class seats on its Airbus planes.It's a premium offering that once would have been unthinkable for the Denver-based carrier — historically known for its no-frills, all-economy cabins and tight legroom.A mock-up of Frontier's new first-class seats on display in Hamburg, Germany.Also on the way: Starlink Wi-Fi, easily the fastest inflight interne...