[spring Airlines: April passenger turnover increased 436.02% year on year] Spring Airlines announced that in April, the company's passenger capacity (measured by available seat kilometers) increased by 302.71% year-on-year, an increase of 2.07% month-on-month; passenger turnover (by income passenger kilometers) increased by 436.02% year-on-year, an increase of 2.66% month-on-month The occupancy rate was 88.73%, an increase of 22.07% over the same period last year, and an increase of 0.51% over the previous month.