With the airline industry struggling amid the coronavirus pandemic, the situation is particularly worrisome for low-cost airlines, which rely on high seat occupancy and aircraft operating rates.

As they resume more flights that have been grounded since February, some are using their aircraft for cargo transportation and others are trying to balance infection prevention with profitability until social distancing rules can be safely eased and air traffic demand returns to pre-pandemic levels.

But some aviation industry experts say that low-cost carriers will likely need to start devising new business strategies instead of just weathering the storm by hoping that demand will eventually come back.