(CNN) — Time is a matter of perception, and a minute is never longer than when you’re a) waiting to use the bathroom, or b) idling in a fast food drive-thru line.
A man who went into cardiac arrest last week at a Chula Vista, California, Chick-fil-A location was saved in part by Tauya Nenguke, a quick-thinking manager at the restaurant.
Dunkin’ Donuts clocked in with the fastest average time, at 230.38 seconds from first order window approach to full order completion. That’s well under three minutes. Chick-fil-A was the slowest in the study, with an average drive-thru time of 322.98 seconds — almost five and a half minutes.
Wendy’s, Carl’s Jr. and Burger King were other speedy servers. McDonald’s, Hardees and Arby’s were on the slower end.
“Service time was defined as the time from stopping at the order station to receipt of all items (including change),” QSR’s methodology reads. “Additional data collected by each researcher included but was not limited to: order accuracy, drive-thru and exterior appearance, speaker clarity, and customer service. All purchases were made using cash so as not to influence timing.”
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Now, pokey drive-thru service isn’t necessarily the product of slow workers or inefficient routines. Arby’s COO John Kelly told QSR more elaborate and higher-quality menu items can slow service down, and it’s up to the companies to figure out how to adapt to keep service efficient.
“We know we’ve got very complex menu items, and our guests are demanding those, so we have to make sure that the engine that we build in our kitchen is able to execute them in a very efficient way,” he said.
CNN has reached out to Chick-fil-A, the restaurant with the slowest wait times, by phone for comment.
The study also broke down the average waits by time of day. On average, breakfast hours had the quickest service, with an average wait time of 238.84 seconds. The late afternoon rush slowed service down the most, to an average of 274.71 seconds per order.