Frequent Flyer Math
I spent the past weekend in Connecticut, courtesy* of Delta Airlines, which thinks Atlanta is on the way from everything to everything else. On Friday I flew from Greensboro (GSO) to Atlanta (ATL), and from ATL to New York LaGuardia (LGA). On Sunday, I returned from New York JFK to ATL, and from ATL back to GSO. Today I received credit for my frequent flyer miles from Continental, which is still partnering with Delta but not for long. Credit was as follows:
| Date | Airline | Flight No. | Miles |
|---|---|---|---|
| 07/17/2009 | Delta | 5099 | 306 |
| 07/17/2009 | Delta | 18 | 1,141 |
| 07/19/2009 | Delta | 1499 | 760 |
| 07/19/2009 | Delta | 6474 | 306 |
Note that Flights 5099 (GSO-ATL) and 6474 (ATL-GSO) both have the same number of miles: 306. That kinda makes sense since you’d figure that Greensboro is the same distance from Atlanta as Atlanta is from Greensboro. Now compare the mileage credit for Flight 18 (ATL-LGA) vs. 1499 (JFK-ATL). Possible explanations:
- JFK is 381 miles from LGA.
- The pilot on Flight 18 took a really circuitous route to NY, but the pilot on Flight 1499 took a more sensible one.
- The business class section of the plane travels 381 miles farther than coach.
- ???
*As compensation for last year’s disaster, this flight would have been free if I hadn’t originally booked it for this coming weekend and then had to re-book. As it was, it was very cheap, and I was allowed to check a bag for free since I had technically “bought” the ticket a year ago. And taking the free flight got me just enough miles on Continental to qualify for another free flight. Cool, eh?




