...........Arabians as standing between 14.1 to 15.1 hands (57 to 61 inches, 145 to 155 cm) tall, "with the occasional individual over or under." Thus, all Arabians, regardless of height, are classified as "horses", even though 14.2 hands (58 inches, 147 cm) is the traditional cutoff height between a horse and a pony. A common myth is that Arabians are not strong because they are relatively small and refined. However, the Arabian horse is noted for a greater density of bone than other breeds, short cannons, sound feet, and a broad, short back, all of which give the breed physical strength comparable to many taller animals. Thus, even a smaller Arabian can carry a heavy rider.
So 14.1 is very much within the standard and very normal. I have 3 Purebred Arabians right now, and they range from 14.2 - 15.3.