Spirit Airlines, Southern Airways Express and Denver Air Connection will move their check-in operations to Terminal 2. They ...

The Mile High City sees the most of the operation, but other hubs also get the carrier's smallest mainline aircraft.

Frontier Airlines is seeing a huge spike in the number of applicants for its cobranded credit card. Meanwhile, talk about the next industry merger or alliance is swirling.

Frontier Airlines is adding a new nonstop destination to its offerings at Nashville International Airport. Flights from ...

Americans’ confidence in air transportation and the federal agencies tasked with maintaining air safety has slipped ...

United Airlines is all set to increase connectivity between Denver International Airport and Syracuse Hancock International ...

Ultra-low-cost air carrier Frontier is adding two new routes from DFW International Airport this spring, connecting Texas to ...

Frontier will also return to Boise Airport in Idaho (BOI) and Spokane International Airport in Washington (GEG) when it ...

The airline has said it will build a new flight center to supplement its main training facility in northeast Denver, but has ...

A midair collision involving two small planes in southern Arizona killed two people Wednesday morning, authorities said..

Tuesday's round of light snow is accompanied by Cold Weather Advisories and Extreme Cold Warnings in effect until Thursday ...

Frontier Airlines is adding a flight to Las Vegas with fares starting as low as $19 for a limited time. Here's when to fly ...