United Flight 393 Deals & Information (2026/2027)

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Frequently asked questions

What route does flight number UA393 take?
UA393 is used on a range of routes. More commonly, UA393 flies direct from Washington Dulles Intl. Airport (IAD) to DIA airport. If you have a ticket on this route, you'll be in the air for roughly 3 hours and 55 minutes.
What kind of plane is on flight number UA393?
It's likely you'll be taking off on a Boeing 737-800 if you've booked a seat from IAD to Denver, CO Airport (DEN-Denver Intl.), one of a few routes used for flight UA393.
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 UA393 flight with Travelocity, please visit our Customer Service Portal.