The Org Chart of Delta Air Lines contains its 104 main executives including Edward Bastian, Glen Hauenstein and Gil West. Use the following chart to see how many miles you'll earn according to the exception fare rules. For example, if you are on a First Class ticket with an "F" fare class and fly a distance of 1,000 miles, you would earn 1,500 "redeemable" miles to your SkyMiles account balance. Exception Fare Class (Delta 006 Ticketed Only) Delta Delta T, Delta P, Delta V and Delta H and let's add Delta C. Besides the "difference between two related measurements" that we use, the word delta has an interesting history. Going way back, Delta or "Δ" just happens to be the fourth letter of the Greek alphabet.