I would rather land safely in Bangkok than fly into a thunderstorm.
Ninemsn story here:
http://www.dailymail.co.uk/news/arti...nge-plans.html
This makes an interesting read from News.com:
http://www.news.com.au/travel/travel...d72f26d39034c5
Excerpt from Jetstar's Condition of Carriage:
9.1 Schedules
(a) Jetstar does not guarantee it will be able to carry you and your Baggage in accordance with the scheduled date and time of the flights specified. Schedules may change without notice for a range of reasons including but not limited to bad weather, air traffic control delays, strikes, technical disruptions and late inbound aircraft. Flight times do not form part of your contract of carriage with us.