Chipotle says its service is much faster now, and it means fewer people are bothering to order ahead

• Chipotle's CFO said that says that fewer customers are ordering ahead as its service speeds up.
• "When the lines are moving well ... people like to come in and select their meal along the front line," he said.
• A key metric for the chain is how many entrées each restaurant makes in its peak 15 minutes.

Chipotle says that its service is becoming so much speedier that fewer customers are bothering to order ahead on its app.