Swiss Global Air Lines which has 30 CSeries aircraft on order with Bombardier and has options for another 30 has converted some of the orders for the CS100 to the bigger CS300.
Swiss dividing orders between CS100 and CS300
During the 2015 Paris Air Show, the airline converted 10 orders for the CS100 to the bigger CS300 and now has converted another 5 orders to orders for the CS300.
The airline now has 15 CS100s on order, 15 CS300s and 30 options for the CS100.
The CS100 will be delivered to Swiss on the 15th of June 2016 and enter commercial service in July 2016. The CS100 offers 125 seats, compared to 145 seats for the CS300 giving the bigger CSeries member a 16% bigger capacity.