Baggage rules can vary by airline, route, fare and cabin. A bag that works on one trip can trigger a fee or gate-check on another, so verify the exact itinerary before packing.
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- Measure bags including wheels.
- Check the exact fare allowance.
- Keep essentials accessible.
- Confirm connection handling.
Check the fare, not only the airline
Different fare families on the same airline may include different baggage allowances. Codeshare flights can also create confusion when another carrier operates the aircraft.
Measure before leaving home
- Cabin bag dimensions, including wheels and handles.
- Personal-item size.
- Checked-bag weight allowance.
- Number of included pieces.
- Oversize or overweight fees.
Pack essential items thoughtfully
Medication, travel documents, valuables, basic electronics and a minimal change of clothing are often better in the cabin bag when permitted. Follow security rules for liquids, batteries and restricted items.
Connections and baggage
Ask whether checked baggage is tagged to the final destination. International arrivals may require collection and re-check even when the bag is through-tagged.
See the trip beyond the text
Continue from this guide into destination planning. Each image links to a ConnectedTrip city guide, with a separate shortcut to compare hotels on BusinessHotels.com.
Explore destination context on ConnectedTrip, then compare hotel options on BusinessHotels.com.
Explore destination context on ConnectedTrip, then compare hotel options on BusinessHotels.com.
Explore destination context on ConnectedTrip, then compare hotel options on BusinessHotels.com.
Destination imagery is loaded lazily from BusinessHotels.com to keep the article fast. Links open either the ConnectedTrip destination guide or hotel search.
Common questions
Are carry-on sizes the same on every airline?
No. Dimensions and weight rules vary, especially between full-service, low-cost and regional carriers.
Can lithium batteries go in checked baggage?
Rules vary by battery type and capacity, and spare lithium batteries are generally subject to cabin-baggage restrictions. Check current airline and security guidance.
Do bags automatically transfer on connecting flights?
Often on one-ticket itineraries, but not always. Customs procedures and separate tickets can require collection and re-check.