At least 130 people were feared dead, an airline spokeswoman said.
A lone attendant did meet the couple at the jetway, said Andrea Rader, an airline spokeswoman.
Amy Kudwa, an airline spokeswoman, declined to say what those savings would yield in dollar amounts.
"We hope they get well soon," an airline spokeswoman said, adding that the airline was not bothering to question the veracity of the letters.
"We will not stand for any violence against our employees," said Catherine Stengel, an airline spokeswoman.
Julie King, an airline spokeswoman, says redemption rates are up 15 percent this year, with standard rewards accounting for 75 percent of the total.
The reason for the change, an airline spokeswoman said, is to make the long-haul flights "more comfortable for long-legged passengers."
"We are looking at the entire route network," said an airline spokeswoman, Tammy Lee.
The results of their Breathalyzer tests were not available last night, and an airline spokeswoman could not be reached late last night.
Ms. Watson, the airline spokeswoman, said the aviation agency had looked at the flights and declared them to be proper.