Hawaiian Airlines will increase seasonal flights between Las Vegas and Honolulu for about two months beginning in May.

The Honolulu-based airline, which in December announced plans to merge with Alaska Airlines, will increase its four-times-weekly round trips between Honolulu International Airport and Harry Reid International Airport to daily service beginning May 24, the airline said in a news release. That would give Hawaiian three daily flights between Las Vegas and Hawaii’s largest city.

The added flights are scheduled to run between May 24 and July 28. They were part of a seasonal expansion Hawaiian announced between Honolulu and five cities, four of them on the U.S. mainland. The airline also is expanding flights to and from Boston; Los Angeles; Austin, Texas; and Pago Pago, American Samoa.