Nuts can pose a serious threat to allergy sufferers, and increased travel during the holidays increases that risk, said Naperville's Amy Wicker, founder of AllergySafeTravel.com.
Wicker's daughter suffers from severe nut allergies.
Nut-allergy sufferers — and parents of children who are sufferers — don't want to infringe on other passengers' rights, she said, but it's a safety issue.
"We simply are asking that airlines make an onboard announcement that passengers should refrain from opening nuts or nut-based snacks for the duration of the flight," Wicker wrote recently on her site. "We would also like to see airlines create a buffer zone within...