H-E-B and Whole Foods are the quickest to get online orders ready for instore and curbside pickup, according to a new study from mobile commerce platform Rakuten Ready.

The Rakuten Ready 2019 Time Study utilized secret shoppers to measure order for pickup services and wait times. It found that the average wait to for instore grocery pickup is 4 minutes, 3 seconds while the average curbside pickup was 5:21.

The study measured just eight supermarket retailers: Walmart, Kroger, Whole Foods, Meijer, H-E-B, Raley's, Albertsons and Hy-Vee.

Whole Foods was the quickest in both instances, clocking in at 4:03 for instore wait times and 3:04 for curbside. H-E-B had an average time of 4:05 for curbside and had 16% of orders ready in less than two minutes and 84% ready in less than six minutes. 

The study says the average wit time for instore pickup across all companies was 4:03 and was 5:21 for curbside.