Checked Bag Linear Size by Airline
Check linear size limits quickly before final packing and baggage payment.
Linear Size Comparison Chart
Swipe horizontally to view full chart
| Airline | Linear Limit (in) | Linear Limit (cm) | Note |
|---|---|---|---|
| Delta Air Lines | 62 | 158 | Certain Delta Connection flights may gate-check larger carry-ons. |
| American Airlines | 62 | 158 | Regional aircraft can require valet check at gate. |
| Southwest Airlines | 62 | 158 | Travel fees page includes carry-on dimension footnote. |
| United Airlines | 62 | 158 | Official carry-on page fetch was unstable; verify before major policy updates. |
| JetBlue | 62 | 158 | Please manually re-verify if route/fare-specific restrictions apply. |
| Frontier Airlines | 62 | 158 | Carry-on is typically paid unless included by fare bundle. |
| Allegiant Air | 80 | 203 | Carrier may display dimensions in different order on different pages. |
Related Pages
Policy Sources
- Delta Air Lines checked baggage policyType: official | Last verified: 2026-03-20https://www.delta.com/us/en/baggage/carry-on-baggage
- American Airlines checked baggage policyType: official | Last verified: 2026-03-20https://www.aa.com/i18n/travel-info/baggage/carry-on-baggage.jsp?locale=en_GB
- Southwest Airlines checked baggage policyType: official | Last verified: 2026-03-20https://www.southwest.com/html/customer-service/travel-fees.html
- United Airlines checked baggage policyType: secondary | Last verified: 2026-03-20https://www.united.com/en/us/fly/baggage/checked-bags.html
- JetBlue checked baggage policyType: secondary | Last verified: 2026-03-20https://www.jetblue.com/help/carry-on-bags
- Frontier Airlines checked baggage policyType: official | Last verified: 2026-03-20https://faq.flyfrontier.com/help/bags-seats-general-info-what-are-the-sizes-and-weight-limits-for-bags
- Allegiant Air checked baggage policyType: official | Last verified: 2026-03-20https://www.allegiantair.com/baggage-1