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

Spirit Airlines rejected Frontier Airlines’s second merger bid, opting to continue on its current path to emerge from bankruptcy. The low-cost airline filed for bankruptcy last year after the Justice Department blocked a proposed merger with JetBlue.

Frontier and Spirit Airlines will once again try to merge, only months after the Biden administration won a key antitrust court battle to block