Carry-on size limits, every North American airline
Security decides what you can bring; your airline decides how big the bag can be. Dimensions below include wheels and handles. Toggle inches/centimeters with the in/cm button in the header (or press U). On strict fares — United Basic domestic, Frontier, Allegiant, Flair — the only free bag is the personal item.
| Airline | Carry-on size | Weight limit | Carry-on fee | |
|---|---|---|---|---|
| 🇺🇸 Delta Air Lines | 22 × 14 × 9 in56 × 35 × 23 cm | No published weight limit | Free | Details → |
| 🇺🇸 United Airlines | 22 × 14 × 9 in56 × 35 × 23 cm | No published weight limit | Depends on fare | Details → |
| 🇺🇸 American Airlines | 22 × 14 × 9 in56 × 36 × 23 cm | No published weight limit | Free | Details → |
| 🇺🇸 Southwest Airlines | 24 × 16 × 10 in61 × 41 × 25 cm | No published weight limit | Free | Details → |
| 🇺🇸 JetBlue Airways | 22 × 14 × 9 in56 × 36 × 23 cm | No published weight limit | Free | Details → |
| 🇺🇸 Alaska Airlines | 22 × 14 × 9 in56 × 36 × 23 cm | No published weight limit | Free | Details → |
| 🇺🇸 Spirit AirlinesWound down 2026 | 22 × 18 × 10 in56 × 46 × 25 cm | No published weight limit | Paid add-on | Details → |
| 🇺🇸 Frontier Airlines | 24 × 16 × 10 in61 × 41 × 25 cm | 35 lb (15.9 kg) | Paid add-on | Details → |
| 🇺🇸 Hawaiian Airlines | 22 × 14 × 9 in56 × 36 × 23 cm | 25 lb (11 kg) legacy limit — confirming post-merger harmonization | Free | Details → |
| 🇺🇸 Allegiant Air | 22 × 16 × 10 in56 × 41 × 25 cm | No published weight limit | Paid add-on | Details → |
| 🇺🇸 Sun Country Airlines | 24 × 16 × 11 in61 × 41 × 28 cm | 35 lb (15 kg) | Paid add-on | Details → |
| 🇨🇦 Air Canada | 21.5 × 15.5 × 9 in55 × 40 × 23 cm | No weight limit — you must lift it into the bin unaided | Depends on fare | Details → |
| 🇨🇦 WestJet | 22 × 14 × 9 in56 × 36 × 23 cm | No published weight limit — must fit the sizer | Depends on fare | Details → |
| 🇨🇦 Porter Airlines | 21.5 × 15.5 × 9 in55 × 40 × 23 cm | Must fit the airport sizer — no universal weight limit published | Depends on fare | Details → |
| 🇨🇦 Flair Airlines | 21.5 × 15.5 × 9 in55 × 40 × 23 cm | Carry-on 10 kg (22 lb); personal item 7 kg (15.5 lb) | Paid add-on | Details → |
| 🇲🇽 Aeromexico | 21.5 × 15.7 × 10 in55 × 40 × 25 cm | 22 lb (10 kg) combined cabin allowance on basic fares | Free | Details → |
| 🇲🇽 Volaris | 22 × 16 × 10 in56 × 41 × 25 cm | Carry-on 10 kg (22 lb); combined cabin caps vary by fare — verify at booking | Depends on fare | Details → |
Data re-verified 2026-07-31 from each airline’s published baggage policy — always confirm your specific fare at booking.