CHICAGO, June 27 (Reuters) – JetBlue Airways Corp (JBLU.O) on Monday ratcheted up its bidding war with Frontier Group Holdings (ULCC.O) for Spirit Airlines Inc (SAVE.N) as the race for the ultra-low-cost carrier enters the final stretch.
Both bidders see Spirit as an opportunity to expand their domestic footprints at a time when the U.S. airline industry is dogged by labor and aircraft shortages. Either of the deals would create the fifth-largest U.S. airline.
Under the new offer, JetBlue…