United Flight LX53 Deals & Information (2024/2025)

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Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frequently asked questions

What route does flight number UA53 take?
UA53 operates from ZRH to Washington Dulles Intl. Airport (IAD) directly. This service generally takes 9 hours and 12 minutes.
What kind of plane is on flight number UA53?
The route for flight number UA53 is predominantly Zurich Intl. Airport to Washington, DC Airport (IAD-Washington Dulles Intl.), and the Boeing 767-300 is the type of plane you’ll probably be heading off on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA53 flight with Travelocity, please visit our Customer Service Portal.