| 1 | YL | Yamal Airlines | ICAO: LLM, Callsign: Yamal, IATA Prefix: 664, Designator YL recalled by IATA. Designator YL reinstated by IATA | RUS | AVCODES |
| 2 | YL | U Airlines Co. Ltd. | ICAO: ULG, Founded April 2012. IATA desinator YL recalled. | T | AVCODES |
| 3 | YL | Libyan Wings | ICAO: LWA, Callsign: Libyan Wings, | LAR | AVCODES |
| 4 | YLAC | YUSEN LOGISTICS (AMERICAS) INC (CON | | | SCAC4 |
| 5 | YLAF | YUSEN LOGISTICS (AMERICAS) INC (AIR | | | SCAC4 |
| 6 | YLAR | YUSEN LOGISTICS (AMERICAS) INC (INT | | | SCAC4 |
| 7 | YLAT | YUSEN LOGISTICS (AMERICAS) INC | | | SCAC4 |
| 8 | YLAW | YUSEN LOGISTICS (AMERICAS) INC (WAR | | | SCAC4 |
| 9 | YLBC | YELLOW FREIGHT SYSTEM OF BRITISH COLUMBIA, INC | | | SCAC1 |
| 10 | YLCE | Y L C EXPRESS INC | | | SCAC4 |
| 11 | YLCL | YIPENG LOGISTICS CO LTD | | | SCAC4 |
| 12 | YLIQ | YONGE LOGISTICS INC | | | SCAC4 |
| 13 | YLLC | YANCEY LLC | | | SCAC4 |
| 14 | YLLG | YL LOGISTICS INC | | | SCAC4 |
| 15 | YLLI | YELLI, TERRENCE TRUCKING | | | SCAC4 |
| 16 | YLLJ | YUSEN LOGISTICS (JAPAN) CO LTD | | | SCAC4 |
| 17 | YLLO | YELLOW CAB TRANSFER | | | SCAC1 |
| 18 | YLLW | YELLOW RIVER FARMS INC | | | SCAC4 |
| 19 | YLOG | YUANMAO LOGISTICS | | | SCAC4 |
| 20 | YLRR | YUSEN LOGISTICS (AMERICAS) INC (REV | | | SCAC4 |
| 21 | YLST | YELLOWSTONE BEAN COMPANY | | | SCAC4 |
| 22 | YLSV | YARD LINK SERVICES | | | SCAC4 |
| 23 | YLTG | YULE, J R TRUCKING INC | | | SCAC4 |
| 24 | YLTN | YELTON TRUCKING COMPANY INC | | | SCAC4 |
| 25 | YLTP | YELLOW LINE TRANSPORTATION | | | SCAC4 |
| 26 | YLTR | YELLOW TRANSPORTATION | | | SCAC4 |
| 27 | YLUS | YUSEN LOGISTICS (AMERICAS) INC (US | | | SCAC4 |
| 28 | YLWS | YELLOWSTONE LOGISTICS INC | | | SCAC4 |
