United Airlines FAQ

Answers to your most common questions about United Airlines.

Quick, simple, and helpful information at a glance.

What does the error message "Invalid username/password" mean?
This means that the username or password you entered is incorrect. Please try again, making sure to enter the correct credentials.
Why am I getting the error message "Page not found"?
This means that the page you are trying to access does not exist on our website. Please make sure you have typed the correct URL or try navigating through our website to find the page you are looking for.
How do I fix the error "Connection timed out"?
This error usually occurs when there is a problem with your internet connection. Please check your internet connection and try again. If the problem persists, you may need to contact your internet service provider.
What does the error "Server error" mean?
This indicates that there is an issue with the server hosting the website. Please try refreshing the page, or try again at a later time.
Why is my browser showing the error "This site can't be reached"?
This means that your browser is unable to establish a connection to the website. Check your internet connection and try again. If the problem persists, the website may be experiencing technical difficulties.
How do I resolve the error "Error loading media"?
This error often occurs when there is an issue with the media file being loaded on the website. Try clearing your browser's cache and cookies, or try accessing the website on a different browser.
What should I do if I receive the error message "File not found"?
This means that the file you are trying to access is not available on the website. Double-check the URL and try again. If the file is still not found, it may have been removed or relocated.
How can I fix the error "Access denied"?
This error may occur when you do not have the proper permissions to access the page or file. Contact the website's administrator for assistance.
What does the error "504 Gateway Timeout" mean?
This error occurs when the server is unable to receive a response from a third-party server, often due to a slow internet connection. Try refreshing the page or try again at a later time.
How do I resolve the error "Maintenance in progress"?
This means that the website is undergoing maintenance and is temporarily unavailable. You may need to check back at a later time.
Why am I seeing the error "Cookies must be enabled"?
Cookies are tiny files that store information used by websites to improve the user experience. This error means that your browser is not allowing cookies, which is required for the website to function properly. Please enable cookies in your browser's settings.
Can I fix the error "Out of memory" on my own?
This error usually indicates that your device's memory is low. Try closing unnecessary programs and tabs to free up memory, or consider upgrading your device's memory.
What should I do if I receive the error "403 Forbidden"?
This error means that you do not have permission to access the requested page. Contact the website's administrator for assistance or try accessing the page on a different device.
How do I fix the error "Server not found"?
This error means that your browser is unable to connect to the website's server. Check your internet connection and try again. If the problem persists, the website may be temporarily unavailable.
What does the error "The requested URL was not found on this server" mean?
This error means that the URL you are trying to access does not exist on the website. Double-check the URL and try again.
Why is my browser showing the error "This site can't provide a secure connection"?
This means that the website does not have a valid security certificate. It is not safe to enter sensitive information on this site. Contact the website's administrator for assistance or use a different website.
What should I do if I receive the error "Site can't be reached"?
This means that your browser is unable to establish a connection to the website. Check your internet connection and try again. If the problem persists, the website may be experiencing technical difficulties.
Why am I getting the error "Connection refused"?
This error occurs when the server is down or not accepting connections. Try again at a later time or contact the website's administrator for assistance.
How can I fix the error "DNS address not found"?
This error means that your device is unable to locate the website's IP address. Check your internet connection and try again. If the problem persists, the website may be experiencing technical difficulties.
What does the error "Bad gateway" mean?
This error occurs when the server acting as a gateway or proxy is unable to receive a valid response from another server. Try refreshing the page or try again at a later time.
How do I resolve the error "The website is under maintenance"?
This means that the website is temporarily unavailable due to maintenance. Please check back at a later time.
Can I fix the error "Internal server error" on my own?
This error occurs when there is an issue with the website's server. It is not something that can be resolved by the user. Try accessing the website at a later time.
How do I fix the error "Page cannot be displayed"?
This error occurs when your browser is unable to load the page. Check your internet connection and try again. If the problem persists, try accessing the website on a different browser.
I received the error "The page cannot be found" on my mobile device. How do I resolve this?
This could be due to a faulty internet connection on your mobile device. Try restarting your device and checking your internet connection. If the problem persists, try accessing the website on a different browser or device.