Fleet type by hub

Aug 20, 2002
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Someone over at airliners.net posted the folllowing, showing departures by fleet type for each US hub. Sad to see the ratio of express to M/L, but nothing new there. Really thought PHL had more mainline.

http://www.airliners.net/aviation-forums/general_aviation/read.main/5045337/

CLT
319 68
320 43
321 49
333 2
733 16
734 69
752 9
767 5
CR7 47
CR9 60
CRJ 145
DH3 26
DH8 33
E75 56
ERJ 9
Total 637

PHL
319 31
320 28
321 29
332 6
333 3
733 1
734 13
752 11
767 5
CRJ 134
DH3 18
DH8 64
E70 29
E75 41
E90 27
ERJ 4
Total 444

PHX
319 73
320 71
321 30
733 20
752 9
CRJ 22
DH8 20
Total 301

DCA
319 54
734 12
CRJ 62
DH8 1
E70 30
E75 18
ERJ 12
Total 192

LGA
319 20
321 6
CRJ 50
DH8 54
E70 1
E75 4
E90 16
ERJ 19
Total 191

BOS
319 26
320 6
321 1
734 2
CRJ 12
DH8 2
E70 2
E75 1
E90 26
Total 93

PIT
319 5
320 2
321 1
733 1
734 4
CRJ 13
E70 5
E75 7
E90 1
ERJ 11
Total 50

LAS
319 9
320 10
321 6
733 4
Total 35
 
The numbers dont add up, US has nine A330-300s and the flights only show five in service and there are seven A330-200s and only showing six flying.

Must be fuzzy math. I wonder what other numbers are wrong?
 
The numbers dont add up, US has nine A330-300s and the flights only show five in service and there are seven A330-200s and only showing six flying.

Must be fuzzy math. I wonder what other numbers are wrong?
PHL-TLV uses 2 332's on the route so that is the extra one.
 
The numbers dont add up, US has nine A330-300s and the flights only show five in service and there are seven A330-200s and only showing six flying.

Must be fuzzy math. I wonder what other numbers are wrong?

That person either made their counts before the schedule was updated or doesn't know how to add.
 
It is still two aircraft involved in one flight, two movements, what about the four missing A330-300s, you seem to keep ignoring that.
 
It is still two aircraft involved in one flight, two movements, what about the four missing A330-300s, you seem to keep ignoring that.

First, I haven't said anything about the -300s. I didn't make up the lists, so don't get after me for that. Second, if one aircraft departs to TLV today, the 24th, it doesn't come back until the morning of the 26th. There will be six A332s departing on one day while the seventh resides in TLV. That one frame is only operating to TLV every other day, so you need a second aircraft to fill in for the rest. The counts are for one day, April 14th, which is mentioned in the Airliners post. Does that make sense now?
 
Then it should show two planes, where are the four missing A330-300s?

Who ever made the list, doesnt know what they are doing.
Trying to figure it out can be confusing and time consuming. There has to be mistakes in the a.net info, how in the heck does one do this just looking at schedules. Maybe certain days there are different types, such as the 319-320-321's. Any of those could be switched off on any day, as for the widebodies, there are not that many to keep up with so it shouldn't be that difficult but I do not have the time to figure that out. Plus aren't there days when a flight doesn't operate?
 
Must be fuzzy math. I wonder what other numbers are wrong?

That person either made their counts before the schedule was updated or doesn't know how to add.

LAS
319 9
320 10
321 6
733 4
Total 35

I may suck at math, but according to my calculator that adds to 29, not 35. Whoever made this list needs to go back to 2nd grade and learn how to count apples and oranges again. Offhand I don't know how many RJs we have here, that might be the problem.
 
I didn't make 'em either, but there are hub lists for AS, AC, DL, US, and AA on there right now. I think (?) one person mentioned downloading each carrier's timetable of the 'net, and then plugging them into an excel sheet. The math may be off, but they're still an interesting read...
 

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