United Airlines - Itineraries & check-in


	United news & deals Learn about our merger announcement Bonus miles & up to 20% off Hertz rental


	Check in online You may check in for your reservation up to 24 hours before your flight. Check in closes 45 minutes before flights within the U.S., Puerto Rico and the U.S. Virgin Islands and one hour before international flights. FAQs Please select: Enter: > Forgot password? > Need password? Remember me Employee check-in New! Use your mobile device to check in for flights within the U.S. Learn more