At 24.56, Mags is holding a glass when she starts singing, the scene cuts to a wider shot at 25.00 where she is no longer holding the glass, the cut back at 25.19 shows her holding the glass again.
Raylon says he's going to take Carol the Cincinnati airport, to which she say she has "a couple of hours" before her flight. The drive from Harlan to Cincinnati/North Kentucky International Airport takes almost four hours, so she would already be late before they even left.