With more than 25 Great Lakes flights departing and arriving weekly your DIA connections are more convenient than ever. When you Fly Pueblo, there’s no big city traffic, and you park a few steps from the terminal for fast check in. To get the best deal on fares book PUB to your destination - at unitedairlines.com or frontierairlines.com. So remember whether you’re traveling for business or pleasure, you’ve got the hometown advantage.. Pueblo Airport.