They seem to come in pairs and start with a zerg death. So you get zerged down and release into a loading screen, then you finally reach the end and try to transit somewhere and enter another one.
I had a very similar problem about a week ago, in my case I was trying to get out of a cyro delve to the open world and I ended up with forever loading screens no matter what I did. Even /stuck saw th
Technical issues along with a few other things are just sucking the fun out of the game, I have played a lot and a long time these loading screens are getting old and more annoying as time goes by, al
BTW: loading screen is still showing. Just to help debug this.. checked with wireshark if there was still data going back and forth between my PC and the server.. which appears to be the case: