Here’s an idea. You are going to take a flight sometime in the afternoon. You SMS a particular well-known number. It reads, “Start flight S26641″. Immediately you get a response, “Welcome to updates on Jet Lite flight from Pune to Hyderabad. Estimated 20 minutes delay. ETD 1540 hours.”
Later, around 1 PM, you get another SMS “Jet Lite Pune to Hyderabad delayed 1 hr 20 minutes. ETD 1640.” You plan accordingly. Finally, just when you were about to leave home, another SMS arrives: “Jet Lite Pune to Hyderabad delayed 1 …