■ Gate-check car seats and strollers—you won’t get charged, and the items are much less likely to be lost or damaged.
■ Nurse or give your baby a bottle or pacifier during ascent and descent to help adjust the pressure in his ears.
■ Pack the diaper bag with an extra outfit for your baby, plastic bags for dirty diapers, a few new playthings and plenty of snacks.
■ Consider renting a swing, bassinet or even toys at your destination. Visit travelswithbaby.com for a directory of gear-rental companies.
■ Bring a copy of your baby’s birth certificate or immunization records for proof of age if you’re not purchasing a seat for your baby.