Delayed flights are a common occurrence and car rental companies are aware of that. On the off-chance that your flight is delayed, you will need to notify the supplier of your car rental. As soon as you are aware of your situation, call up the car rental company and let them know. They will endeavor to hold your car rental for you or figure out another solution. If you put in your flight details when you booked the car they will be able to find out if your flight has been delayed. If you get the chance it is still recommended to notify the car rental company even if you have included this information in the booking process.
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