ICAO Code: KOS
Airline Callsign: KOSOVA
Kosova Airlines was created in 2003.
The Malaysian airlines code is MH
The IATA airline code of Indigo Airlines is 6E.
I believe it is Transaero Airlines
ZE is code for Eastar Jet- a low cost airlines
I assume you mean "Airline Code". If so, it is DL.
the IATA code is LY and the ICAO code is ELY.
The airline code for Swiss International Air Lines is: LX(IATA) or SWR (ICAO)
The airline code for Singapore Airlines is "SQ". Singapore is a city-state, so the country is also Singapore.
In the US, this merchant code is used for American Airlines.American Airlines is a US-based airline.
Yes, Jet2.com has the IATA airline designator code LS
UA, also note old Continental flights operate under United branding but have a CO code.