Kindly refer to the following links:
Prayer on a plane when you cannot stand up?
How to know Qibla direction if you visit a new place & What if you prayed in the wrong direction
How to pray in the plane when going east or west when the difference is too much?
How to determine prayer times on plane? Going towards west, direction towards the sun
Is it permissible to do pray and do salaah whilst traveling on public/private transport? (website)
Can I pray sitting down in the airport lounge?
Related Article(s):
How to perform Tayammum on a plane to uplift major impurity?
Major impurity due to wet dream /end of menses while traveling, can't perform ghusl