Saia (SAIA) reported Q1 earnings Friday of $1.86 per diluted share, down from $3.38 a year earlier.
Analysts polled by FactSet expected $2.76.
Operating revenue for the quarter ended March 31 was $787.6 million, up from $754.8 million a year earlier.
Analysts surveyed by FactSet expected $812.8 million.
The company's shares were down almost 15% in recent premarket activity.