Passenger Trains > LD train arrivals at Chicago

Long Distance trains arrived at Chicago Union Station today, March 2, 2015 as follows :

#4 -Left Mendota 5 hrs, 28 mins late.
#6 - 2 hrs, 46 mins late.
#8 - 2 hrs, 50 mins late.
#22 - 3 hrs, 59 mins late. Left San Antonio 26 mins late.
#29 - 1 hr, 2 mins late.
#49 - 23 mins late.
#51 - 49 mins late.
#58 - 4 hrs, 22 mins late.

All trains departed their originating stations within 5 mins of "On Time" (or were reported On Time, or early, at some point in their route) except #22.

John Webb
Trinidad, CA

What happened to 58?