Originally Posted by
Donna49
Here in SEA, as strange as it might seem, Air Tran, Frontier, Jet Blue, Midwest, Southwest, Sun Country, and Virgin Air are not.
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I was sorta wondering about AirTran...and I figured not. Im kinda surprised with Midwest though. I have heard though that the first 3 you listed are starting to slowly add some agreement airlines. In a way its just as much to their benefit to interline as it is for the benefit of passengers.