Major carriers including Emirates, Lufthansa, Air France, United, and Delta have suspended flights to the Middle East region.

UAE flight cancellations: Full list of affected routes from US, ... European, and other international airlines have cancelled or rerouted flights to Dubai and other Gulf countries.

flydubai cancels flights to 5 countries amid escalating Iran-Israel tensions. Transit passengers via Dubai to these destinations not accepted until further notice ...

But requirements in other countries are different. In the United Kingdom, for example, you’ll likely be automatically entitled to food and drink vouchers and accommodation.