United Flight UA331 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number UA331 take?
UA331 is used on a range of routes. Most commonly, UA331 flies directly from BOI to ORD. If that's your flight path, you'll be up above the clouds for about 3 hours and 20 minutes.
What kind of plane is on flight number UA331?
UA331 is a flight number that's used on a number of routes. If you're booked on the most popular one, Boise Airport to ORD, there's a strong chance you'll be on an Airbus A319.
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 UA331 flight with Travelocity, please visit our Customer Service Portal.