But they still have to pay to park those planes, continue to pay lease payments, continue to pay maintenance on those planes, continue to pay for landing and ga

But they still have to pay to park those planes, continue to pay lease payments, continue to pay maintenance on those planes, continue to pay for landing and gate spots at all the airports they serve globablly... essentially the only costs that go away are labor that they've put on unpaid furlough, and fuel costs, which if they've hedged, they're essentially paying for anyway. Airlines aren't an SaaS business where you just scale down AWS and youre good.