Flight cancellations now at 6,500 since IT snafu; Delta and United struggling again Sunday The Points GuyCosts from the global outage could top $1 billion – but who pays the bill is harder to understand CNNAn update to Delta customers from CEO Ed Bastian Delta News HubRemediation and Guidance Hub: Falcon Content Update for Windows Hosts CrowdStrikeMicrosoft releases recovery tool to help repair Windows machines hit by CrowdStrike issue The Verge