An analysis of real-time train data shows its passengers face major service disruptions at six times the rate of riders on other NYC commuter railways.
Across the US and Latin America, subways still see lower ridership and financial pain. But a data analysis shows that passenger counts are higher than ever in some Europe and Asia cities.
Once-simple programs have become convoluted shadow currencies for carriers like Delta, American and United, leaving loyal flyers working harder to land deals.
