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.
| Airline | Verdict | Fits as | Margin | Checked on | Source |
|---|
Enter your bag's size above to see which airlines accept it.
- 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
| Allowance | Southwest Airlines | JetBlue |
|---|---|---|
| carryOn | 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 |
| personalItem | 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 Official · unverified Last checked: 2026-10-11
JetBlue
Baggage Info | Carry-Ons and Checked Baggage | JetBlue Official · unverified Last checked: 2026-10-11