Frontier said in a release that it has met with Spirit’s board and executives since it made its proposal this month.

Frontier Airlines is attempting for a second time to merge with the now bankrupt Spirit Airlines, which declared bankruptcy late last year as budget airlines struggle. Frontier Group Holdings Inc., the parent company of Frontier Airlines,

Budget carrier Frontier Airlines announced on Wednesday that it has made another bid for fellow discount carrier Spirit Airlines, which is in bankruptcy, for an undisclosed sum.

Frontier Airlines is attempting for a second time to merge with Spirit Airlines, which declared bankruptcy late last year as budget airlines struggle. Frontier Group Holdings Inc., the parent company of Frontier Airlines,