Canada, Southwest Airlines, Mexico
Southwest Airlines has just announced a new codeshare with Mexican airline Volaris (partially owned by billionaire Carlos Slim.) Like Southwest’s codeshare agreement with WestJet, this allows Southwest to gain access to international markets. With these agreements with WestJet and Volaris, Southwest gets access to all of North America and gets to work with two airlines that have similar (not the same) operating environments.
I’m quite certain that these new codeshare routes will, in fact, boost Southwest’s revenues (as well as the revenues of these other participants) and I’m sure both relationships will prove to be rewarding in many ways other than just money. If one airline could operate throughout North America, it really would look very similar to this codeshare arrangement.
These two new arrangements for Southwest found me pondering how it could be done better than just a simple codeshare. One way to further integrate without attempting a merger (something all three airline’s governments are very unlikely to allow) would be operating an interchange.
An interchange was a fairly common tool in previous decades within the United States. The idea is that two (or more) airlines operate the same equipment on a route that is shared. One of the most famous interchanges was when Braniff operated the Concorde from Dallas to Washington D.C. where an Air France or British Airways crew would take over and fly the aircraft across the Atlantic to either London or Paris. At the time, each time the Concorde arrived in Washington, the aircraft would be “sold” to Braniff who would then hang new ownership papers in the cabin and change the registration temporarily for operation in the United States. Obviously that kind of inconvenience would not be tolerated today between airlines but there really isn’t a reason for it either.
Wouldn’t it be interesting to see Southwest operate such an interchange with each of their partners. A Southwest aircraft could be used to fly an international interchange between Canada, Mexico and the United States with only crews changing between focus cities for each airline. For instance, imagine a B737 flown from Toronto to Chicago by a WestJet crew where a Southwest Airlines crew would take over and fly it from Chicago to Houston. In Houston, a Volaris crew could take over and fly that same aircraft to Mexico City (Toluca) and then turn it around for a return trip.
The advantage is that customers never have to leave the aircraft and it would therefore permit a more seemless network for transitioning from one country to another. The only problem with that scenario is that Volaris has an Airbus A320/A319 fleet and while WestJet flies the 737, they are partial to the 737-800 type instead of the 737-700 aircraft preferred by Southwest. Nonetheless, it does cause one to think about the possibilities that might exist between the three airlines.
It also points to other opportunities for other airlines. Codeshares are good and convenient for airlines but they still require a passenger to travel from one hub to another hub and when it comes to international connections, it does force the passenger to often de-plane, clear customs and transition to another part of an airport to continue on to a destination. Sometimes that isn’t all that painful but more frequently it is a great inconvenience to the passenger and a barrier that many avoid.
With airline alliances relatively stable now, many could choose to adopt similar (if not the same) types of aircraft and offer trans-global interchanges for both companies and their passengers. It also would allow them to further standardize their service and even possibly take advantage of fleet flexibility between partners. For instance, what if QANTAS and American Airlines shared a portion of their 787 fleet and allowed it to “flex” between North America and Australia according to seasonal demands?
I suspect there are many more opportunities to be had from both codeshares and, possibly, a new version of interchanges between airlines.

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