Sun-Air EU261 flight delay compensation regulation
In case you booked Sun-Air flight that departed from Europe, you may have rights under European EU261 law in case your Sun-Air flight is not on time or cancelled.

If your Sun-Air flight was delayed causing you to arrive later than 3 hours after the original arrival time, then it is your legal right under EU261 regulation to receive compensation from Sun-Air.
What to do if Sun-Air flight was delayed?
Know your rights as Sun-Air passenger. If your Sun-Air flight was delayed causing you to arrive later than 3 hours after the original arrival time, then it is your legal right under EU261 regulation to receive compensation from Sun-Air. The EU261 compensation can be up to €600 per passenger in the form of cash, electronic bank transfer, cheque or travel vouchers.