In a surprise move, JetBlue Airways unveiled an unsolicited bid for Spirit Airlines, potentially derailing the latter’s deal with Frontier Airlines. But, given the potential market clout a larger ULCC could be to JetBlue, especially on busy Florida routes, maybe it’s not such a surprise. Edward “Ned” Russell and Madhu Unnikrishnan discuss the merger machinations, and the word from European airlines at the recent Airlines for Europe summit.