Yes, checking your bag online (or via the airline's app) significantly saves time at the airport by allowing you to bypass the full-service check-in queues. In 2026, most major airports are equipped with "Self Bag Drop" stations; if you have already checked in digitally and paid any necessary fees, you simply scan your mobile boarding pass at a kiosk, print your own tag, and drop the bag on the conveyor belt. This process typically takes under two minutes, compared to the potentially long waits at staffed counters. Furthermore, checking in online 24–48 hours in advance often allows you to secure better seat assignments and ensures you are fully "ready to fly" before you even leave your house.