We did a similar connection 3 weeks ago. She should be able to stay within the secure areas, more on that below.

Even if she is on the same ticket/code share, she will still need to check in at the Cape Air desk at A1. This is within the secure area. Check-in was at a snail's pace so I would recommend she get to the desk first to check-in before food/bev or bathroom stops.


At the check-in desk, they will weight her carry-on as well as getting a body weight (verbally).

We arrived on US Airways in Terminal D and had a 1 hour, 20 minute layover as well. The signage sucks and my husband (an experienced, relaxed traveler) was convinced we were going the wrong way.

I used this description, which I copied from another TTOL post. I printed it off with a copy of the airport map.

“I asked about that when I booked my flight last Nov and it was confirmed. About 2 weeks out from my trip I did some double checking and found that I would be arriving in D instead of the original C, so I re-asked the question. I got mixed reviews but someone PM'd me and confirmed that it can be done. The website for the airport has a decent map, but it wasn't clear about security. I arrived at D12 and headed down the concourse. On the map, it shows a corridor taking off to the left and wrapping around to A. I walked right past it because the signage for it says it is for gates Cxx-Cxx. I don't recall the numbers, but basically, hang a left for C. I didn't hang a left, but should have. I caught myself before exiting security though, did an about face, took the corridor to C and continued. As you walk to C (I believe this is correct), you start walking into the side of a security checkpoint. It looks like you're going to walk into the scanners themselves. THe signs are mentioning a right turn for security, but this would take you to the head of the line. Be patient, and keep walking straight. You almost get to the machines when a very narrow corridor opens up to your left. The marking is unclear about where this takes you. It may mention terminal B. We took this and continued along the maze all the way to A. Our flight to SJU was a little late, so we were very tight on time, but made it with time to spare.”

The bolded part is important, we also messed up at this junction.

You will walk past the Maragittaville restaurant and along the shops quite a ways until you see the signs for the C Terminal. Then you go thru a long corridor that is completely empty and it feels eiry and weird to be all alone. Keep going until you reach the next terminal and turn right, follow signs to a terminal a and b. The b terminal was blocked off in areas and we picked our way around caution tape. It looked like they were getting ready to polish the floors so maybe it will be open by now.

It was a 10-15 minute walk at a good clip to get from D to A. It wasn't until we were far on the way past D, on the way to C that we saw signs. The signage is terrible. .(this was our 10 or 12 trip with a SJU layover, we are familiar with the airport and we still questioned the path.)


Here is where I found the map -


http://aeropuertosju.com/mapas/

The corridors/connectors are the blue lines with the double arrows.