DENVER (CBS4) – Travelers who use United Airlines in and out of Denver International Airport may notice a change soon.

The airline is cutting the number of flights by as much as 13 percent for the rest of the year. But DIA’s largest carrier is insisting it’s not a sign that the Denver hub is in trouble.

READ MORE: Colorado Gets First Excessive Heat Warning On Record With Highs Set To Near 110 Degrees

United is also reducing departures and seat capacity for the rest of the year in many of its other hubs as well, including Newark, Washington Dulles, Los Angeles and Chicago O’Hare.

READ MORE: Speed Flier Rescued From Summit County Mountain As Rescue Calls Continue To Climb

The cuts and flights at DIA are deeper than other airports — between 11 and 17 percent from September to December, depending on the month.

MORE NEWS: 2 Year Old In Denver Amber Alert Found Safely

The airline says the cuts are in response to the rising cost of fuel.