In route news, Alaska adds several summer routes from California to Montana but delays the revival of some transcontinental service; at Oakland, Southwest begins an Arizona route and revives three East Coast markets; Frontier kicks off an intrastate route from Sacramento; Southwest begins a big buildup at Long Beach; American adds two California routes from O’Hare; Alaska starts flying its first 737 MAX and United orders more; FAA slaps a huge fine on a disruptive passenger as part of its new “zero tolerance” policy; and airport retailing giant Hudson Group is bringing a new no-checkout purchasing concept to its stores.