Expanded briefing: Spirit Airlines ceases operations, airlines slash 13,000+ flights over fuel costs, new Seattle-Europe battles, Boeing MQ-25 & truss-wing tests, plus 20+ stories on mergers, airport expansions, and eVTOL progress.

Spirit Airlines ceases operations after bailout failure; American restores Miami-Caracas; Etihad scales U.S. flights; JFK opens $125M retail hub and more critical executive aviation intelligence.