The airline denied the charges and said its crew members were trying "to be vigilant."

Civil libertarians also cite instances in which airlines have mistakenly denied passengers the right to fly.

The airline has always denied it was aware of hostilities in Kuwait when the flight landed.

Air Canada flight attendants asked for permission to wear gloves, but the airline denied the request.

If you need a visa and don't have it, the airline will deny you boarding.

The airline reportedly made 2,300 flights in which safety equipment was not up to standard, although the airline has denied this.

However, the two airlines quickly denied official talks of any merger.

When a flight is nearly full, airlines sometimes deny advanced seat selections, forcing latecomers to get their assignment at the airport.

Both airlines denied it, though, and the Justice Department, which has final authority, said it was still evaluating the proposal.