Bloomberg Pratt & Whitney succeeded in tamping down the latest crisis to threaten its $10 billion next-generation jet-engine program, with a temporary fix that will keep Airbus SE planes flying until a permanent solution is found. Pratt, a unit of United Technologies Corp., scrapped a newly introduced seal that caused engine vibrations and took almost a dozen Airbus A320neos out …

Bloomberg British Airways owner IAG SA is following European rivals in a capacity splurge led by an expansion of its low-cost Level and Aer Lingus long-haul divisions, while going on the offensive in Europe. The shares fell as much as 3.9 percent in London, mirroring the reaction when rival Air France similarly said this month that it would charge ahead …

Bloomberg Subway Restaurants, facing one of the biggest sales slumps in its five-decade history, is looking to win back customers with a new incentive: $2 discounts through a revamped loyalty program. The sandwich chain will let diners use their loyalty rewards on any menu items, lifting restrictions under the current programme. The new system, which will expand to 28,500 US …