United Airlines shares jumped 9.99% on May 20. The stock closed at $98.02 following a record-breaking summer projection released on May 19. The carrier expects over 53 million passengers between June and August. Global cultural and sporting events are driving this surge in travel demand.

United announced a major domestic expansion in Cleveland on May 21. The airline added daily nonstop services to Miami and Las Vegas. This represents United's largest flight schedule in Northern Ohio in over a decade. The expansion reinforces the carrier's domestic network capacity.