Reviewed by:

D. Goren
Head of Content
Updated Feb, 6
Because airline child policies change — and parents shouldn’t have to hunt for answers.
Yes — you can bring baby snacks and baby food when flying with Southwest. Here’s what to expect and how to prepare:
TIP: Present baby food and liquids separately to the TSA officer at the checkpoint to speed up screening and avoid delays.



Know Southwest Airlines' rules for bringing baby blankets on board when flying with infants, including carry-on allowances and practical tips.
Learn United Airlines' rules for bringing a bottle warmer on board when flying with a baby, including carry-on, gate-check, and TSA guidelines.
Find JetBlue stroller rules, gate-check procedures, size limits, fees, and travel tips for flying with a baby.
Know Delta Air Lines' policy for bringing a bottle warmer on flights with a baby—carry-on rules, TSA screening, and infant travel tips.
Learn Allegiant Air's policy on diaper bags for infants: carry-on allowance, gate-checking, and packing tips for stress-free baby travel.
Yes — Allegiant permits baby snacks and reasonable quantities of formula/breast milk; declare items for TSA screening and pack them separately.