Southwest Airlines on Tuesday asked the Transportation Department for permission to fly to any country with which the US has an Open Skies treaty.

Southwest filed with the DOT for permission to fly to all countries the U.S. has an open skies agreement with.

All flights at Denver International Airport are grounded because of thunderstorms sweeping across the Front Range, according to the Federal Aviation Administration.

Calgary International Airport will be adding eight direct flights to cities in the U.S., Mexico and Germany, including Mexico City, Raleigh and Anchorage in May and June. In the last year, seven more direct flights came to YYC.

Transportation Secretary Sean Duffy explained Wednesday that he recently changed his wife’s flight to avoid the embattled Newark Liberty International Airport — but not because of safety issues.

A travel consultant who is in the business of helping travelers save money on flight upgrades said he was in "shock, disbelief" to learn executives from Denver International Airport spent as much as $19,

If you're planning to book a flight, you're likely trying to find the most budget-friendly option. According to Google Flights, the cheapest flights are available when flying on Monday, Tuesday and Wednesday, with Tuesday being the cheapest day, according to the historical flight data.

The Federal Aviation Administration said on Monday it will propose flight cuts at Newark Liberty International Airport, citing air traffic controller staffing, runway construction and equipment issues.