6 unchanged sentences
Our results of operations can be significantly impacted by changes in the price and availability of aircraft fuel.
−Removed: Aircraft fuel expense for the year ended December 31, 2020 represented 17.5 percent of our total operating expenses.
−Removed: Increases in fuel prices or a shortage of supply could have a material effect on our operations and operating results.
−Removed: Based on our 2020 fuel consumption, a hypothetical ten percent increase in the average price per gallon of aircraft fuel would have increased fuel expense by approximately $21.8 million for the 2020 year.
−Removed: We have not hedged fuel price risk in many years.
+Added: Aircraft fuel expense during 2021 represented 30.5 percent of our total operating expenses.
+Added: Increases in fuel prices, or a shortage of supply, could have a material impact on our operations and operating results.
+Added: Based on our fuel consumption during 2021, a hypothetical ten percent increase in the average price per gallon of fuel would have increased fuel expense by approximately $44.9 million.
+Added: We have not hedged fuel price risk for many years.
Interest Rates
−Removed: As of December 31, 2020, we had $1.15 billion of variable-rate debt, including current maturities and without reduction for $18.3 million in related costs.
−Removed: A hypothetical 100 basis point change in interest rates would have affected interest expense by approximately $11.8 million for 2020.
+Added: As of December 31, 2021, we had $927.5 million of variable-rate debt, including current maturities and without reduction of $12.4 million in related costs.
+Added: A hypothetical 100 basis point change in interest rates would have affected interest expense on variable rate debt by approximately $10.3 million during 2021.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.