I9 · IBUCargo AirlineUnited States
Indigo Airlines
- IATA Code
- I9
- 2-letter airline designator
- ICAO Code
- IBU
- 3-letter airline designator
- AWB Prefix
- 959
- Air Waybill number prefix
- Callsign
- INDIGO BLUE
- Radio telephony callsign
- Country
- United States
Air Waybill Prefix
959
Air Waybill numbers issued by Indigo Airlines begin with 959. For example, a typical AWB number would be 959-12345678.
VerificationHistoricalchecked 2026-08-11
This carrier has ceased operations. Codes are retained as historical reference and may since have been reassigned.
US business-jet per-seat airline (Chicago, backed by American Express), ceased 2003/idled 2004. FAA absence of IBU + Wikipedia cessation. Codes I9/IBU/INDIGO BLUE match dataset as historical fact.
- Operating status: Wikipedia (2026-08-11) · FAA JO 7340.2P Change 3 (machine-checked) (2026-08-11)
- IATA code: Wikipedia (2026-08-11)