The Cochrane/Airdrie riding isn't really a pickup; we've gone from essentially 4 ridings in the Calgary halo to 5 - but the apparent extra riding is really just due to realigning of other rural areas; the Crossfield/Beiseker/Irriciana area was added to the halo, and the Millarville/Diamond Valley area was moved out of a halo riding into a more rural one. With the same votes as last election, this wouldn't be a UCP gain. The two ridings removed (one in central - mostly Rimbey-Rocky Mounain House-Sundre; and one in the north - mostly Peace River) are actual UCP losses, though.
The new NC riding (basically between Deerfoot and Centre St) seems like a true swing that should be high on the NDP's list.
Confluence might be closer than people think - 60% of the population is east of Deerfoot, almost all in polling stations that voted UCP. The NDP should win it (they won the western polls mostly in the 60-65% range, while the UCP won the eastern ones more in the 55% range and lost one), but it's not the cakewalk that Mountain View or new Buffalo are.
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On the east side, the ridings are shuffling in an interesting way; the UCP won East and Cross last time, while the NDP won Falconridge. The split between East-Cross-Falconridge used to be along Memorial and 32nd; now they're on 16th and McKnight, which would have given Cross to the NDP last time, but it's been combined with the area around Conrich.
The west will be harder for the NDP; there were two ridings they lost in very close races. North West gained UCP-leaning Arbour Lake, while Bow lost NDP-leaning Montgomery. Interesting question with Bow is whether the new residents in the more urban Trinity Hills and West Springs areas vote like the suburbanites surrounding them, or if they have more of an inner city approach. (Also, their incumbent UCP candidate - education minister Nicolaides - is facing a recall petition and isn't all that popular these days.)
Acadia's not only gained Lake Bonavista, it's lost Kingsland and Manchester.
One interesting riding is Mackenzie in the far north of the province; it's made mostly of the Peace River and Lesser Slave Lake ridings; however, most of the towns (Peace River, Grimshaw, Slave Lake, High Prairie) that had strong UCP vote are in other ridings, and the riding has a large indigenous population. With the right candidate, it could be in play for the NDP.