United MileagePlus members, listen up! Your grocery game just got a whole lot more rewarding thanks to United's sweet partnership with Instacart. They're dishing out some serious perks, and you don't want to miss out. We're talking about the potential to snag up to 5,500 bonus miles just for ordering groceries— practically free miles toward your next adventure! But that's not all. Depending on the offer, you could also score free delivery, especially handy when you're on the road and need groceries delivered to your hotel. And if you're a United credit cardholder, you might even be eligible for a free Instacart+ membership! That means waived delivery fees and reduced service fees on orders over $35. Why should you care? Because these promos are an easy way to pad your MileagePlus account without even stepping on a plane. Those miles can then be used for award flights, upgrades, or even those coveted Polaris seats! Plus, who doesn't love saving money on grocery delivery? It's a win-win.