According to some reports, there were two other aircraft flying in the area 15 miles away at the time, a distance covered by a flight in approximately 90 seconds. They were Singapore Airlines and an Air India plane.
Several airlines, including Air India, Jet Airways Lufthansa and Air France, say they will now avoid eastern Ukrainian airspace.
Data from airline tracker Flightradar24 shows other commercial flights in the area at the time of the crash including a Singapore Airlines flight and an Air India flight, according to the data.