Boeing did not create a 777-300LR variant because the 777-200LR already filled the niche for long-range flights 6️⃣ and was considered sufficient for the market demand at the time.
As of December 2024, the 777 has been involved 6️⃣ in 30 aviation accidents and incidents, including five hull loss accidents out of eight total hull losses with 541 fatalities 6️⃣ including one ground casualty.