Alaska Air Group has reported a 5.1% year-on-year increase in traffic in September.
The group carried 2.06 million passengers during the month, which is up 1.8% compared with the same month last year.
Capacity also rose 5.1%, leading to the load factor remaining flat year-on-year at 83.5%.
The results include flights operated by Alaska Airlines and those under capacity purchase agreements with wholly-owned Horizon Air as well as PenAir and SkyWest.
Alaska reported a 5.1% increase year-on-year in mainline traffic in September.
The mainline carrier's capacity rose 5%, while the load factor increased 0.1 percentage points to 84%. It carried 1.46 million passengers, which is a 1% increase.
Horizon Air's traffic grew 4.3% against capacity rise of 7.9% year-on-year in September.
The regional airline's load factor declined 2.6 percentage points to 76.7% in September. It carried 547,000 passengers, which is up 3.6% year-on-year.