By Ellen S. Wilkowe My seat and tray were in the upright position as was my mask. My seatbelt was fastened and my carry-on was stowed under the seat in front of me. I anxiously awaited departure to the Southwest for a family trip that was postponed due to COVID and an unrelated family member’s illness. This was my second time flying during COVID and I again experienced mild anxiety about a mask mandate meltdown. Yet, my flight to Las Vegas was as uneventful as my 40-cent casino credit. This was more than two weeks ago when the mask mandate for transportation was extended to May 3 in order to f…