I think there is a ripe opportunity for terrorists to attempt some form of disruption this holiday, either by overt acts of a predominantly forceful nature or the attempts of so called trial runs.
Boy. Good thing you got that on record! This way, if anything happens, we can say you told us so!
My predicition: Airline traffic is so stacked right now that any weather or equipmant anomaly severely disrupts the entire worldwide network. There will be natural and accidental disasters. There may be an earthquake in California. A drought may cause major disruptions in Texas. Some flooding will also occur somewhere else in Texas at the same time. The northeast will experience their first big storm of the year.
A ship will spill something somewhere.
Oh, and crazy islamists will do something.
Other than that, good times.