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Seriously? He has 1 EQM to go and he HAS book a trip to make it? OP can't call NWA and get it settled?
49,999 that is just crazy! lol |
Originally Posted by pragakhan
(Post 8729903)
Seriously? He has 1 EQM to go and he HAS book a trip to make it? OP can't call NWA and get it settled?
49,999 that is just crazy! lol |
Originally Posted by ifette
(Post 8728886)
DTW-NGO was a NW flight.
The DL or NW part was in reference to your: Route: LGW-ATL on DL. Mileage calculator says 4245, however it posted as: 02JUL2006 DL 0011 DL 0011 L/L LGW - ATL 4,229 4,229 |
Originally Posted by CaptainMiles
(Post 8725925)
Does anyone know why the reservation system can't report actual mileage?
In fact, a few months after I launched MileCalc.com, I got an email from a IT person working for one of the largest FFPs (not NW), asking for the code I developed since they wanted to get the mileage exactly right! |
Originally Posted by boazs
(Post 8771026)
The formula used by the reservation system is simple. The great circle distance calculations are complex.
In fact, a few months after I launched MileCalc.com, I got an email from a IT person working for one of the largest FFPs (not NW), asking for the code I developed since they wanted to get the mileage exactly right! I don't think there is ONE formula that is exactly right. Every formula is an approximation, each based on a different model of the Earth (sphere, various models of a geoid, etc.) and different mathematical simplifications. All are pretty close to each other though. I don't much care which formula an airline uses, and long as they use if consistently. NWA apparently uses several different formulas, inconsistently, and that causes confusion. |
Got yer 'formula' right here:
: LOOKUP(miletable,DTW,MEM) :rolleyes:? Maybe a suggestion for TTU ?? /. |
Originally Posted by CaptainMiles
(Post 8725925)
You got it, I'm at 49999 EQMs, 1 teeny mile short of requalifying for GE. I am not worried about requalifying because I still have one more trip this year, but I was very convinced I would come in above 50000 after this last trip. However, two segments came in below the "approximate miles" shown in my reservation.
DTW-MEM shows in reservation as approximately 621 miles, but posted as 610. LAX-DTW is 1982 in the reservation, posted at 1979. I see that the miles posted as per the mileage calculator. But I had neglected to check the mileage calculator, instead trusting the "approximate miles" displayed in the reservations system. If this had been my last trip of the year I would have gotten burned. Does anyone know why the reservation system can't report actual mileage? |
Originally Posted by SkyBuck
(Post 8726545)
I always thought they just read the odometer on the plane.
It's one thing for the mileage on a codeshare flight to be off a bit. But for NW metal flights booked on nwa.com, there's no excuse for the discrepancy. |
Originally Posted by ed1
(Post 8726908)
They must be using the nwa.com reservations figure because the nwa.com mileage calculator is dead-on with the posted figure of 931.
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Originally Posted by Yaatri
(Post 8774824)
In m experience there is only one definitive source of data on on mles. And that is the NW timetable (pdf). When EQMs is an impotrtant issue,, I check with the PDF time table.
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Originally Posted by CaptainMiles
(Post 8775811)
Seeing that neither the online reservations nor the online calculator produce reliable results, and even the pdf timetable claims to only show approximate mileage, I don't see how one can prevent being stuck with 49,999 EQMs.
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Originally Posted by Yaatri
(Post 8774828)
I hope you were joking.
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