Travel Winter storm: 2,900-plus flights canceled; Austin airport reopens as Delta extends waivers February 18, 2021February 18, 2021Jayme Deerwester, USA TODAYComments Off on Winter storm: 2,900-plus flights canceled; Austin airport reopens as Delta extends waivers The airport in Austin, Texas, has reopened. Meanwhile, Delta has extended its waiver for the Plains States through Friday. Get the latest waiver info.