As mentioned, we had 99.9% positive experiences using Uber in Egypt, but this is still Egypt and you want Uber to take the payment for the trip you're making via the app. Some drivers will ask to pay in cash (which is allowed in Egypt unlike our home country), which could create problems.
Are Ubers allowed in Cairo airport?
Uber is available at Cairo Airport, so you can enjoy a convenient and comfortable trip to wherever you need to go. Where is the Uber Cairo Airport pickup location? From Terminal 1, head to Hall 1 or 3 to meet your driver. From Terminal 2, walk to the parking area at the lower level to meet your driver.