Reader Kristen recently traveled on two regional US Airways flights (an Air Wisconsin partner flight and a Piedmont Air partner flight). She posted a report on Dog Jaunt’s Facebook page about the under-seat space she found on both CRJ planes, and kindly agreed to let me re-post it here on the blog: “I searched high and low for info on CRJs — I’m happy to share it with others :)”

Just flew US AIR — first a CRJ-200 (Air Wisconsin partner flight) then a CRJ-900 (Piedmont Air partner flight). Sherpa medium fit under the seat with no problem, but not much room to spare, so I’d venture to guess the under-seat height is about 11-11.5 inches. Also, the under-seat area is not divided, so if you are traveling with a friend, you have tons of room to situate your dog. Final thought — Seat C is the best option if traveling alone. Seat Guru says that Seat D has an equipment box, making the under-seat space smaller. I didn’t see evidence of this on my flights, but wouldn’t want to chance it. The window seats are ok, but not great because the plane curves in towards the ground, meaning there is a little less width to the space, plus it got drafty by the wall and I had to block it off to keep my dog warm enough… All of those factors combined make seat C optimal…

Thanks, Kristen! I’ve added this to Dog Jaunt’s ongoing series recording under-seat plane measurements. Keep in mind that most domestic and international airlines have rules about the maximum size of in-cabin pet carriers they allow on board (see Dog Jaunt’s handy charts under the “Taking your pet on a plane” tab above).