Crystal Drennan from Salt Lake City, Utah, is a seasoned airplane traveler who keeps her baby's passport in one pocket and pacifier in the other. To get through security without delay, she puts her 9-month-old son, Malachi, in a front baby carrier, which is the last item she takes off and the first she puts back on. She also wears slip-on shoes to expedite the security process at the airport.

Whether traveling by plane, car, bus, train or on a cruise, parents need to plan ahead when they have their baby or toddler in tow.

Drennan has flown half a dozen times with her baby to visit family in Oklahoma. "His first flight was at 6 weeks old," Drennan says. "I packed a diaper bag with his toys and enough diapers in case we got stranded, an extra onesie and water for me. Everything else was checked."

Even though her son is quiet on airplane rides, Drennan says it is not unusual to get a few concerned looks from fellow passengers who don't want to sit next to a fussy baby.

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