BagComply

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Southwest Airlines vs JetBlue

Cabin and carry-on baggage limits for Southwest Airlines and JetBlue, side by side.

⚠ These figures are awaiting manual verification against the airline's official page. Treat them as preliminary.

Southwest Airlines allows the larger carry-on — its longest side is 61 cm, versus 55.88 cm for JetBlue.

JetBlue is more generous for personal items — up to 43.2 cm, versus 41 cm on Southwest Airlines.

Check your bag

Enter your bag's dimensions to see how it fares against both airlines' carry-on limits.

optional — leave blank to skip the weight check Leave blank and we report the piece count as not checked — never as passed. Enter it only if you want it compared.

PreliminaryRules marked Preliminary have not yet been manually verified against the airline's official page. They may differ from the airline's actual policy — always confirm with the airline before you fly.

Carry-on compliance check results
Airline Verdict Fits as Margin Checked on Source

Enter your bag's size above to see which airlines accept it.

Southwest Airlines WN More room
Max dimensions
61 × 41 × 25 cm
Total linear
Not published
Weight limit
Not published
Pieces
1
JetBlue B6
Max dimensions
55.88 × 35.56 × 22.86 cm
Total linear
Not published
Weight limit
Not published
Pieces
1

Cabin & carry-on allowances

Baggage allowances by fare tier
Allowance Southwest Airlines JetBlue
Carry-on 61 × 41 × 25 cm · Not published · Not published · 1 pc Free on all fares No published weight limit Carry-on up to 61x41x25 cm (24x16x10 in); free on all fares, no weight limit published. 55.88 × 35.56 × 22.86 cm · Not published · Not published · 1 pc including wheels and handles
Personal item 41 × 34 × 20 cm · Not published · Not published · 1 pc Free on all fares No published weight limit Personal item up to 41x34x20 cm (16.25x13.5x8 in); free on all fares. 43.2 × 33 × 20.32 cm · Not published · Not published · 1 pc Must fit under the seat in front of you

Sources

Southwest Airlines

Carry-On Baggage - Southwest Airlines (opens in a new window)
Official · unverified Last checked: 2026-10-11

JetBlue

Baggage Info | Carry-Ons and Checked Baggage | JetBlue (opens in a new window)
Official · unverified Last checked: 2026-10-11

The rules behind these figures

Both sides of this comparison come from these rule pages; open one to see its source excerpt.

Southwest Airlines

JetBlue