Jan 12 (Reuters) - Alaska Airlines said it will extend its cancellation of Boeing 737 MAX 9 flights through Tuesday, Jan. 16, for planes that have been grounded since last week's mid-air cabin panel blowout.

Alaska has been cancelling about 20% of daily flights since Saturday after the grounding of its 65 MAX 9 planes. (Reporting by Gursimran Kaur in Bengaluru; Editing by Muralikumar Anantharaman)