United Airlines to introduce tiered fare categories for premium cabins https://www.reuters.com/business/united-airlines-introduce-tiered-fare-categories-premium-cabins-2026-04-03/?taid=69d04fdb72732b00013819ae https://www.reuters.com/business/united-airlines-introduce-tiered-fare-categories-premium-cabins-2026-04-03/?taid=69d04fdb72732b00013819ae
