| Airport Name | Code | City | Enplanements |
| Baltimore/Washington International Thurgood Marshall Airport | BWI | Baltimore | 13371816 |
| Salisbury-Ocean City Wicomico Regional Airport | SBY | Salisbury | 64393 |
| Hagerstown Regional-Richard A Henson Field Airport | HGR | Hagerstown | 23654 |
Airports in Maryland
Primary Commercial Airports in Maryland
Commercial Service Airports in Maryland
| Airport Name | Code | City | Enplanements |
Reliever Airports in Maryland
| Airport Name | Code | City | Enplanements |
| Martin State Airport | MTN | Baltimore | 184 |
| Frederick Municipal Airport | FDK | Frederick | 102 |
| Carroll County Regional/Jack B Poage Field Airport | DMW | Westminster | 54 |
| Montgomery County Airpark Airport | GAI | Gaithersburg | 42 |
| Tipton Airport | FME | Fort Meade(Odenton) | 4 |
| Maryland Airport | 2W5 | Indian Head | 0 |
General Aviation Airports in Maryland
| Airport Name | Code | City | Enplanements |
| Easton/Newnam Field Airport | ESN | Easton | 139 |
| Ocean City Municipal Airport | OXB | Ocean City | 27 |
| Greater Cumberland Regional Airport | CBE | Cumberland Heights | 5 |
| Cambridge-Dorchester Regional Airport | CGE | Cambridge | 3 |
| College Park Airport | CGS | College Park | 1 |
| Bay Bridge Airport | W29 | Stevensville | 0 |
| Crisfield-Somerset County Airport | W41 | Crisfield | 0 |
| Garrett County Airport | 2G4 | Oakland | 0 |
| St Mary`s County Regional Airport | 2W6 | Leonardtown | 0 |