| Alaska Airlines | 22 x 14 x 9 | No numerical weight limit published — you must lift your bag into the overhead b… | Yes — free carry-on | Free carry-on on all fares. Gate-check due to bin space is free. |
| Allegiant Air | 22 x 16 x 10 | No published weight limit for carry-on | No / personal item only | Carry-on fee $10 to $75 per segment when pre-purchased; airport/gate fees higher for unpaid or overs… |
| American Airlines | 22 x 14 x 9 | No published weight limit — must fit in the sizer | Yes — free carry-on | Carry-on is free on all fares. Gate-check due to bin space is free; checked-bag fees apply if you ch… |
| British Airways | 22 x 18 x 10 | No published weight limit — you must lift the bag into the overhead bin unassist… | Yes — free carry-on | Included on most fares; Economy Basic hand-bag-only fares exist on some routes — check your booking |
| Delta Air Lines | 22 x 14 x 9 | No weight limit on most domestic routes — you must lift it unassisted | Yes — free carry-on | No carry-on purchase fee — carry-on is free on all fares. Oversize bags may be gate-checked; standar… |
| Emirates | 22 x 15 x 8 | 7 kg (15 lb) — weight is the headline limit for Economy | Yes — free carry-on | Included in fare — no separate carry-on fee; overweight bags may be checked with excess charges |
| Frontier Airlines | 24 x 16 x 10 | Up to 35 lb including handles, wheels, and straps | No / personal item only | Carry-on is a paid add-on; prices vary by travel date and purchase time. Use Frontier Bag Price Chec… |
| Hawaiian Airlines | 22 x 14 x 9 | No numerical weight limit published — you must lift your bag into the overhead b… | Yes — free carry-on | Free carry-on included. Standard checked-bag fees apply. |
| JetBlue Airways | 22 x 14 x 9 | No weight limit — you must be able to lift it into the overhead bin | Yes — free carry-on | Free carry-on on all fares. Gate-check when bins are full is free. |
| Qatar Airways | 20 x 15 x 10 | 7 kg (15 lb) — Economy Class | Yes — free carry-on | Included in fare |
| Southwest Airlines | 24 x 16 x 10 | No published weight limit | Yes — free carry-on | Free — carry-on included on all fares. Checked bags may incur fees on Basic, Choice, and Choice Pref… |
| Sun Country Airlines | 24 x 16 x 11 | No published weight limit for carry-on | No / personal item only | Carry-on is a paid add-on; prices vary by route and purchase time (lowest at booking). See Sun Count… |
| Turkish Airlines | 9 x 16 x 23 | 8 kg (17.6 lb) — Economy Class | Yes — free carry-on | Included in fare; excess weight charges may apply |
| United Airlines | 22 x 14 x 9 | No weight limit — you must be able to lift it into the bin unassisted | No / personal item only | For tickets purchased on or after April 3, 2026: checked bag from $45 prepay, $50 at lobby, $75 at t… |