That way, when you turn off airplane mode to use wifi the network won't try to connect when you are traveling. Better yet, leave airplane mode on and just turn on the wifi. Learned the hard way. 
***Edited to add labels***
That way, when you turn off airplane mode to use wifi the network won't try to connect when you are traveling. Better yet, leave airplane mode on and just turn on the wifi. Learned the hard way.
***Edited to add labels***
