What is the shortest commercial flight in the world?

Here is the question :

WHAT IS THE SHORTEST COMMERCIAL FLIGHT IN THE WORLD?

Here is the option for the question :

Hoolehua – Kalaupapa
Cayman Brac – Little Cayman
Westray – Papa Westray
Minami-Daito – Kita-Daito

The Answer:

And, the answer for the the question is :

Westray – Papa Westray

Explanation:

[STC002867] The distance covered by the regularly scheduled passenger flight from Westray to Papa Westray in Scotland is only 2.7 kilometers (1.7 miles), and it takes just under 2 minutes to complete the journey. This service is operated by the Scottish carrier Loganair, and one-way tickets cost £17. Students and teachers who are going to Papa Westray to see the ancient sites there make up the vast majority of passengers, along with medical professionals who are going there to provide medical care for the island’s ninety permanent residents. Do you ever wish that your commute was as quick as this one?