At time 1 Galaxian joins port A.
At time 4 Princess-II joins port B.
At time 5 Tritanic joins port C.
At time 8 Regulus joins port A.
At time 10 Princess-II is done fueling.
At time 12 Nostromo joins port B.
At time 16 Galaxian is done fueling.
At time 20 SpaceFish joins port A.
At time 27 Nostromo is done fueling.
At time 40 Regulus is done fueling.
At time 44 Tritanic is done fueling.
At time 64 SpaceFish is done fueling.

Longest wait: SpaceFish, 44 mins.
Shortest wait: Princess-II, 6 mins.