Originally Posted by flapshalfspeed

Here is an example:

AIRPORT RESERVE: 15:00-16:10
Flight xxx ORD-MEM: 16:55-18:39
Flight xxx MEM-ORD: 19:18-20:45
"GROUND TIME" : 20:45-21:15
AIRPORT RESERVE: : 21:15-00:00

So CBreezy is saying that this crewmember is in a "reserve status" designated as "airport/standby reserve" from 15:00-00:00.