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Yes, frozen solid gel ice packs are allowed in carry-on; partially melted packs must follow the 3-1-1 liquids rule unless they are medically.

Yes, full-size liquid products over 3.4 oz are allowed in checked baggage, as the TSA’s 3-1-1 rule only applies to carry-on luggage.

Yes, most major airlines allow one carry-on bag (hand luggage) and one personal item (like a handbag) onboard.

Yes, you can transport firearms in checked baggage, but they must be unloaded, locked in a hard-sided container.

Yes, but it depends on the type. Solid sticks have no size limit. Gels, sprays, and aerosols must be 3.4 oz (100 ml) or less per container.

Yes, a duffel bag can be used as a carry-on if it fits your airline’s size limits—typically 22 x 14 x 9 inches for most US carriers.

Yes, solid food is allowed in carry-on luggage, but liquid or gel items must follow the 3-1-1 rule (3.4 ounces or less per container.

Yes, Delta permits one carry-on bag plus one personal item like a small backpack at no charge on all Delta-operated flights.

Yes, you can bring food in your carry-on bag. Solid foods like snacks and sandwiches are fine, but liquid and gel foods must follow the 3-1-1 rule.

Yes, most major airlines allow one carry-on bag for the overhead bin and one personal item to stow underneath the seat in front of you.