JetBlue vs Southwest Airlines: hand luggage and carry-on compared
Two airlines, two sets of rules. Here they are side by side.
JetBlue vs Southwest Airlines
Southwest Airlines is the more generous of the two: 61 x 40.6 x 25.4 cm against 55.9 x 35.6 x 22.9 cm on JetBlue. A bag that fits JetBlue will fit Southwest Airlines.
| JetBlue | Southwest Airlines | |
|---|---|---|
| Cabin bag size | 55.9 x 35.6 x 22.9 cm | 61 x 40.6 x 25.4 cm |
| Cabin bag weight | no weight limit published | no weight limit published |
| Cabin bag included? | Yes | Yes |
| Small bag size | 43.2 x 33 x 20.3 cm | not published |
| Small bag included? | Yes | Yes |
Check your own bag against both
Both sets of figures come from the airlines' own websites and were checked on 20 September 2026. See the full rules for JetBlue and Southwest Airlines.