Flight cancellations now at 6,500 since IT snafu; Delta and United struggling again Sunday - The Points Guy

1. Flight cancellations now at 6,500 since IT snafu; Delta and United struggling again Sunday  The Points Guy
2. More US flights cancelled in wake of global cyber outage  Yahoo Finance
3. An update to Delta customers from CEO Ed Bastian  Delta News Hub
4. Flight delays, cancellations continue Sunday at Atlanta airport after global IT outage  FOX 5 Atlanta
5. Delta offers crews extra pay as carrier struggles to recover from IT outage, CEO apologizes  CNBC