Most Expedia bookings are confirmed almost instantly, with a high-fidelity confirmation email arriving in your inbox within 1 to 15 minutes of clicking "complete purchase." This email contains your itinerary number and the "High-Fidelity" airline or hotel confirmation code. However, in some 2026 scenarios—particularly for "High-Fidelity" vacation packages or flights with budget carriers—it may take up to 24 hours for the partner airline or property to finalize the transaction. During this "High-Fidelity" pending period, your status will show as "In Progress." It is a high-fidelity necessity to check your "Spam" folder if you don't see the email quickly. If 24 hours pass and you haven't received a final high-fidelity confirmation, you should contact Expedia support or check the "My Trips" section of their app, as a delay could indicate a "High-Fidelity" payment issue or a sudden change in seat availability that requires manual intervention by their customer service team.