Delta / Northwest is not only big with respect to the number and type of airplanes they have, they are also big for the number of hubs they are currently operating.  Conventional wisdom continues to bet that some of those hubs will be closed or rationalized just as it bets that the airline fleet will be reduced.

 

My guess is that there really won’t be a reduction in hubs of any real significance with the exception of two.  This new airline has two hubs in close proximity, Memphis and Covington/Cincinatti, and each serves similar markets.  However, rather than being combined into one, I suspect that Memphis will likely be de-emphasized into a “focus” city with more connecting traffic routed through Covington/Cincinatti.  The yields in each city are very good but Covington/Cincinatti is by far the city with the best yields.  Memphis is likely to remain as a focus city because it is a good gateway to the central midwest section of the US.

 

All other hubs in the US such as Atlanta, Minneapolis / St. Paul, Detroit, and Salt Lake City have the airline as a dominant carrier and there is no reason to combine any of them with respect to the routes they serve. 

 

Now, both airlines operate significant flights from gateway cities such as Los Angeles and New York and it is quite likely that the airline will work hard to combine some flights going to the same cities.   For instance, flights from the New York area going to the same destinations in Europe will be combined to raise the load factors on the equipment being used.  However, Europe presents an interesting problem because Northwest has been in a close relationship with KLM and has used Amsterdam as a “hub” to connect to other cities in Europe.  Delta, on the other hand, is used to flying direct flights to a variety of cities in Europe without a hub or close partner.  I suspect the relationship with KLM will be reduced so that Delta can raise the loads on its own flights to smaller European cities.

 

Northwest comes to the table with a hub in Tokyo, Japan and they have 5th Freedom Rights to pickup and carry traffic from Tokyo to other cities in Asia.   On the surface, that would appear to be a very valuable asset.  However, the value of that arrangement was far greater when the political climate in Asia was much different and the range of aircraft made it more convenient to fly to a central hub.   Today, it can be much more profitable to fly direct to a variety of Asian cities using newer, long range aircraft such as the Boeing 777 and the about to be introduced 787.  I have no doubt that the Tokyo hub will be retained in some form because the yields from traffic originating in Tokyo to other Asian cities is still well worth the effort but I suspect that there will be a renewed emphasis on point to point flying as things evolve in the new airline.

 

The thing most likely to change at Delta’s hubs will be the aircraft equipment.  With a wide variety of equipment to choose from, it would be unsurprising to see a shift of long haul aircraft between the hubs in order to improve yields, load factors and even to explore new routes.  That will be done slowly and carefully so that Delta doesn’t have to service too many different types of aircraft at each hub.  Once again, aircraft being used at various hubs to service various areas will probably be rationalized.  It would be unsurprising to see A330s shifted to longer South American and African routes with B767-400’s moved to trans-atlantic routes originating in MSP and DTW. 

 

Los Angeles will probably see a greater concentration of 747 aircraft being used on trans-Pacific flights.  New York and Atlanta will probably see 777 aircraft moved in for long range, point to point flying to destinations in India, South America and even Asia.  

 

At present, Delta has 4 different types of long range aircraft in the 747, 777, A330 and 767 with another on the the way (787).   Since Delta already operates GE powered 777-200ER/LR aircraft, they’ll likely place an order for some 777-300ER aircraft and use those to replace the aging 747 aircraft.  That will reduce flying by one type.  The A330 aircraft will be retained until a fleet of 787-9/10 aircraft can be purchased and then the A330 will likely be let go.   Delta’s 767-400 aircraft is fairly new but it will probably suffer the same fate as the A330 in being replaced by 787 aircraft in the future.  Suddenly, two basic types with 2 sub-types between them can service all the long haul routes and, at the same time, offer some harmony at each hub. 

 

I do wonder if Northwest’s 787 orders will be switched from Rolls Royce engines to GE GEnx engines.  That would permit Delta to operate two basic aircraft types that would use the same brand of engine and engines that share some basic design philosophy as well. 

 

The tricky part of managing all of these hubs for Delta will be the domestic fleet which is comprised of Airbus A320 series, Boeing 737 series, DC-9 series and MD80/90 series aircraft.  Because it is more efficient to perform maintenance on a domestic fleet that keeps the aircraft close to a maintenance center, I do wonder which hubs will get which aircraft.   Both Airbus and Boeing offer good choices for domestic fleets in the A320 and 737 series.  The DC-9 fleet is old and will be retired over the next couple of years so it isn’t a factor.  The MD-80/90 aircraft isn’t exactly old but it does become somewhat of an orphan and they don’t offer the fuel effiency that the A320 and 737 offer.  It’s quite possible that Delta will retain both the A320 and 737 series and simply order more of both until they can choose a next generation domestic fleet type from Boeing or Airbus.   I do believe that the MD80/90 fleet will be selected for retirement in the next 2 years. 

 

The exciting part of this merger will be watching the decisions that Delta makes about its new future. 

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