BestClaimCompanyIf the plane has a manufacturing defect, the airlines do not have to pay you any compensation. But in case technical issues have appeared because of the wrong maintenance you are eligible for compensation.
Bad weather
Bad weather is included in the list of the circumstances under which you may get compensation. If your flight is delayed or cancelled because of the weather, you may ask for a refund or to re-book your flight. The airlines must make sure you get to the necessary destination.
Sickness
A claim for delayed flights due to the sickness is a rather controversial issue. If the pilot falls ill the flight is not cancelled, and you still have the right to get a compensation in case of a delay. If you fell ill, the flight is not cancelled as well and you are unlikely to get compensation. But it is always better to get an expert piece of advice in your particular case.
Bankruptcy
When the airlines go bust the first thing you need to do is to contact the airline you were about to travel with. You should be provided with a new ticket or brought home somehow if the bankruptcy happens while you are travelling. Everything depends on the airline, however, you still have the right to get a refund or flight cancellation compensation.