Villains are tricky, authorities (the captain and flight attendants) are slow to pick up on villainy, and mother is admirably resolute throughout.
A father's suicide referenced at start; action picks up later including physical fights and a bomb ticking.
Brief flirtation between flight attendants.
Tense arguments. A few uses of "s--t" as well as "hell" and "Goddamn."
Some drinks discussed by flight attendants.