The eggs, from which the naiads are born, have a long resistance in fresh waters, which depends on the species of the insect. Usually, these can last from a few months to a whole year, time in which they moult 20 to 30 times.
Uber now includes the option to schedule a ride 15 minutes to 30 days in advance using the Scheduled Rides feature. The Scheduled Rides feature allows you to select a 15 minute pickup window for a driver to come pick you up.
By schedule I assume you mean a pickup for the future. Uber and Lyft are for immediate pickups. There are other apps and services, however, that does what you seek. The rideshare section of Craigslist.