1989 Ford Escort Leaking coolant

Sounds like it may be a water pump going bad.Sometimes they will only leak when the engine is running, and not when sitting.Look to see if it is coming from the front of the engine, if so it is most likely the water pump.May want to have the timing belt done at the same time if it hasnt been repalced, I cant tell if it is due, no mileage was added to your post

I took the radiator cap of and started the car. The film in radiator looked to be making small circles, and sometimes bubbles came to the surface and popped. Could this still be a water pump? Also, it looked like it might be leaking from the radiator hose. The coolant looked to be coming from the connection were the hose connects to the bottom of the engine.

The mileage might be around 160,000.

That is possibly a bad hose, but it is also part of the water pump.If the hose is original, replace it, then see if the leak is gone