11.   By contrast, the Air Transport Association estimates that a single airline flight has one chance in two million of ending in fatalities.

12.   But when it actually performed the tests last October and this January, each flight had but one decoy balloon.

13.   Every flight has people of all ages and backgrounds.

14.   Every flight has its own undercover armed guard.

15.   Flight has its risks, advocates for adolescents say, as demonstrated in dire fashion in Jamestown two months ago.

16.   Helicopter flights have virtually stopped, army roadblocks have been lifted, and cross-border roads opened.

17.   He said Delta has higher costs because its flights generally have more connections than those of other airlines.

18.   However, flights had no trouble reaching Philadelphia on Friday.

19.   In another security breach, by the time the terminal was evacuated, four United Airlines flights had taken off.

20.   International flights have traditionally lower yields than domestic flights.