In the news:
Spirit Airlines rejects another takeover offer from Frontier / Seat fees, Frontier thieves, and Spirit's last hurrah: Airlines news roundup / Spirit Airlines nears bankruptcy after Frontier deal falls through / Will Spirit Airlines go bankrupt? Stock price collapses after merger talks with Frontier reportedly end / Frontier's Second Biggest Investor Opposes Sale to Verizon / Frontier, Spirit Airlines Revive Merger Talks / Frontier, Spirit Airlines Renew Merger Talks, WSJ Reports / Delta's CrowdStrike tiff, a Boeing mystery persists, and investor updates from Frontier and Ryanair: airlines news roundup / Spirit Airlines has joined Frontier in dropping change and cancellation fees