Carry-On Packing Guidelines (TSA & Airline Compliant)#

1. Know Your Bag Size Limits#

  • Southwest Airlines Carry-On:
    • Carry-on bag: Max 24” (L) x 16” (W) x 10” (H) including wheels/handles.
    • Personal item: Max 16.25” (L) x 13.5” (W) x 8” (H) (e.g., backpack, tote, laptop bag).
  • Amtrak:
    • 2 free bags per person, up to 28” x 22” x 14” each, but stick to airline carry-on size for simplicity.

2. TSA Rules for Security#

  • Liquids Rule (3-1-1):
    • All liquids, gels, aerosols must be in containers 3.4 oz (100 ml) or less.
    • All containers must fit in one clear, quart-sized zip-top bag.
    • One bag per passenger.
  • Prohibited Items:
    • No sharp objects (scissors >4”, knives, box cutters).
    • No firearms, pepper spray, or self-defense items.
    • No flammable items (lighters, matches, aerosols not for personal care).
    • No tools longer than 7 inches.
  • Electronics:
    • Laptops, tablets, and large electronics must be removed from your bag at security.
    • Power banks must be in carry-on, not checked (but you’re not checking bags anyway).

3. Packing List: What to Bring#

Clothing (for 2 nights/3 days)#

  • 2 tops (shirts/blouses)
  • 1-2 bottoms (pants/shorts/skirts)
  • 1 set of pajamas
  • 3 sets of underwear & socks
  • 1 light sweater or jacket
  • 1 pair of comfortable shoes (wear your bulkiest pair)
  • Optional: 1 extra pair of sandals/flip-flops (if needed)
  • Minimal accessories (hat, belt, jewelry)

Toiletries (TSA 3-1-1 compliant)#

  • Toothbrush, travel-size toothpaste
  • Travel-size deodorant
  • Travel-size shampoo/conditioner/body wash (or use hotel/host’s)
  • Comb/brush
  • Razor (disposable or electric only)
  • Makeup (minimal, travel sizes)
  • Medications (in original containers, in your personal item)

Electronics#

  • Phone & charger
  • Headphones/earbuds
  • Tablet/e-reader (optional)
  • Laptop (if needed for work/school)
  • Power bank (must be in carry-on)

Other Essentials#

  • Travel documents (ID, boarding pass, tickets)
  • Wallet (cash, cards)
  • Sunglasses
  • Reusable water bottle (empty through security)
  • Snacks (solid only, no yogurt, soup, or spreads over 3.4 oz)
  • Book/magazine

4. What NOT to Pack#

  • Liquids over 3.4 oz (full-size shampoo, water bottles, etc.)
  • Large scissors, knives, or tools
  • Full-size aerosol cans (hairspray, deodorant, etc.)
  • Food that is liquid or gel (yogurt, soup, peanut butter over 3.4 oz)
  • Multiple pairs of shoes (limit to 1-2 max)
  • Bulky jackets or sweaters (wear your heaviest on the plane/train)
  • Unnecessary electronics or valuables

5. Packing Tips#

  • Roll, don’t fold clothes to save space and reduce wrinkles.
  • Use packing cubes or zip-top bags to organize.
  • Wear your bulkiest items (jacket, sneakers) while traveling.
  • Layer clothing for versatility.
  • Leave room for souvenirs if you plan to bring any back.

6. Personal Item Tips#

  • Use a backpack or tote that fits under the seat.
  • Pack valuables, electronics, medications, and anything you’ll want in-flight/train.
  • Keep your liquids bag easily accessible for TSA screening.

Quick Reference: What Will Get You Stopped at TSA#

  • Liquids over 3.4 oz (even water bottles!)
  • Sharp objects (knives, scissors >4”)
  • Large electronics not removed from bag
  • Unlabeled medications or suspicious items
  • Prohibited items (weapons, flammables, etc.)

Summary#

  • Pack light: Only what you need for 2 nights/3 days.
  • Follow TSA 3-1-1 rule for liquids.
  • Stick to carry-on size limits.
  • No prohibited items.
  • Organize for easy security screening.

If it doesn’t fit in your carry-on or personal item, it’s not coming!