Row of American Airlines airplanes
Some couples are vying over who gets to pay for household expenses in order to rack up points for loyalty programs such as American Airlines' AAdvantage.
  • Some frequent flyer programs allow customers to rack up points through everyday purchases.
  • This has led some couples vying over who should get the points for household expenses.
  • Some "friendly competition is always good," American Airlines told WSJ.

When it comes to frequent flyer statuses, couples are not screwing around.