Originally Posted by
Duckouttahere
It could be that Alaska doesn't codeshare with the BOS-LGA-DFW routes whereas the other routes might be listed as codeshare. I think if you go to flightstats.com you can enter the flight #'s and find exactly who codeshares with that airline.
That's all if you care...
Yes, yes I care very much. I find this type of information quite fascinating. This answer makes very much sense, I will check the website you mentioned.