0001177702 2025-09-05 2025-09-05 false 0001177702 8-K 2025-09-05 SAIA, INC. DE 0-49983 48-1229851 11465 Johns Creek Parkway Suite 400 Johns Creek GA 30097 770 232-5067 No Changes false false false false Common Stock, par value $.001 per share SAIA NASDAQ false