Jordanian officials have said they would retaliate harshly for the slaying of the pilot, Lt Muath al-Kaseasbeh, who was set ablaze while trapped in a cage.
Since Thursday, the Jordanian air force has attacked and destroyed 56 Islamic State targets, the air force chief, Gen Mansour al-Jabour, told reporters.
This includes 19 targets on the first day, 18 on the second and 19 on the third, he said.
In recent days, Jordanian officials have delivered tough warnings to Islamic State, saying the retaliation campaign would not stop until the group has been destroyed.
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The campaign aims to push back the jihadi organization after it took large parts of Iraq and Syria and declared a "caliphate."
He did not say whether this included flights over both Syria and Iraq. He said Jordan's air force participated in 946 sorties.
The general said about 7,000 Islamic State group militants have been killed since the beginning of the coalition airstrikes, without elaborating.
Saudi Arabia, Jordan, Bahrain and the UAE have been participating in the Syria airstrikes, with logistical support from Qatar.