| 1 | OTF | orange2fly Airlines S.A. | IATA: O4, IATA Prefix: 919, Filed for bankruptcy protection on 20 October 2020. Founded in September 2015. Commenced operations on 20 July 2016. Ceased operations on 01 July 2020. | GR | AVCODES |
| 2 | OTFB | ONE TWO FOUR THREE FIVE TWO ZERO (1 | | | SCAC4 |
| 3 | OTFC | ON THE FRINGE CUSTOM LEATHER LTD | | | SCAC4 |
| 4 | OTFD | ONE(1) TRADE FWDNG & SCM | | | SCAC4 |
| 5 | OTFE | ONE TWO FOUR THREE FOUR EIGHT TWO ( | | | SCAC4 |
| 6 | OTFG | OTTO FREIGHT SA DE CV | | | SCAC4 |
| 7 | OTFK | OLDE TOWN FUEL CO INC | | | SCAC4 |
| 8 | OTFN | ONTARIO BEST CARRIER INC | | | SCAC4 |
| 9 | OTFQ | ONE THREE FIVE SIX NINE NINE FIVE ( | | | SCAC4 |
| 10 | OTFS | ON TRACK FREIGHT SYSTEMS INC | | | SCAC4 |
| 11 | OTFU | OTND ONET TECHNOLOGIES | | F | BIC |
| 12 | OTFV | ONE THREE FIVE SEVEN TWO T | | | SCAC4 |
