According to introducing, age airline Shanghai, Zhengzhou course is provisional and weekly one, 2, 4, 4 6 airliners going there and back: Airport of Shanghai rainbow bridge took off 12:35, reached airport of Zhengzhou new Zheng 14:20; Zhengzhou took off at 15 o'clock, arrived at Shanghai 16:30. Use empty objective A320 plane, arrange 180 places.