Airline spec · verified 2026-07-02
Southwest Airlines carry-on & personal item size limits
Every number below was checked against Southwest Airlines's official pages on 2026-07-02, with links to the source.
Carry-on bag free verified
24 × 16 × 10 in
No published weight limit
Oversize is gate-checked to final destination; 2025–26 fare changes did not remove free carry-on
Source: official page · checked 2026-07-02
Personal item free verified
18.5 × 13.5 × 8.5 in
No published weight limit
Source: official page · checked 2026-07-02
Checked bag verified
62 linear in (L+W+H)
Weight limit: 50 lb
Total length + width + height must also stay under 62 linear inches.
Size/weight per bag; free-bag count changed in 2025 and now depends on fare/status — check the source, do not assume free
Source: official page · checked 2026-07-02
Check if your bag fits Southwest Airlines →
Sizer enforcement: relaxed editorial view, not airline data
Largest carry-on allowance among US majors; carry-on free on all fares
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Fares & policy
Basic economy carry-on included
Carry-on and personal item are free on every Southwest fare.
Source: official page · checked 2026-07-02
Checked bag fees
Checked bags are no longer free on most fares (2025 change): Basic / Choice / Choice Preferred pay per bag; Choice Extra and A-List Preferred get two free; A-List and Rapid Rewards cardmembers get one free.
Source: official page · checked 2026-07-02
FAQ
What size carry-on does Southwest Airlines allow?
24 × 16 × 10 in . Checked against the official page on 2026-07-02.
Does Southwest Airlines charge for a carry-on?
No — a carry-on is included for standard fares.
What size personal item does Southwest Airlines allow?
18.5 × 13.5 × 8.5 in — it must fit under the seat in front of you.
Is there a carry-on weight limit on Southwest Airlines?
No general weight limit is published for Southwest Airlines carry-ons as of 2026-07-02. You must be able to lift the bag into the bin yourself.
Does basic economy on Southwest Airlines include a carry-on?
Carry-on and personal item are free on every Southwest fare.
Size limits change. We watch them for you.
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