| Airlines | Number/dimensions | What Counts ? | Exceptions |
| Alaska Airlines | 2 pieces/24x17x10 | briefcase, laptop | purse, backpack |
| America West | 2
pieces/45 linear inches 54 for garment bags |
briefcase, laptop, backpack | diaper bag, purse |
| American | 2
pieces/23x13x9 or 45 linear inches |
briefcase, laptop | purse, coat |
| Continental | 2
pieces/45 linear inches |
briefcase, laptop, backpack | infant seat, wheelchair |
| Delta | 2 pieces/22x14x9 | smaller briefcase, laptop | purse,
stroller, infant seat, wheelchair, diaper bag |
| Northwest | 2
pieces/22x14x9 40 pounds max |
briefcase, laptop, purse | stroller,
coat, umbrella, infant seat, diaper bag, camera, wheeled luggage cart |
| Southwest | 2 pieces/24x16x10 | briefcase, laptop, backpack | purse, coat, camera, infant seat |
| United | 2
pieces/22x14x9 or 45 linear inches |
briefcase, laptop | coat, purse, infant seat |
| US Airways | 2
pieces/21x16x8 under seat, 24x16x10 overhead 45x23.5x4 valet 40 pounds max |
briefcase, laptop | purse,
umbrella, small camera case, diaper bag, stroller |
All airlines allow passengers to
carry on medically required devices, such as canes,
walkers and crutches and do not count such devices |
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