Can Travelling By Flight Cause Delayed Periods?

hi, im a 15 year old girl. i started becoming a vegetarian and an extreme excercise program around month ago. my period was expected last week, and i am going on vacation tomorrow and really dont want to get it. i got the cramps during the expected time and now i feel fine. will the air plane ride affect the timing? what is your hypothesis if i will get it or not?