United Flight 261 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

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 UA261 take?
UA261 is used on a number of routes. More commonly, UA261 flies direct from Denver Intl. Airport (DEN) to Sioux Falls Regional Airport (FSD). If that's your chosen flight path, you'll be in the air for around 1 hour and 32 minutes.
What kind of plane is on flight number UA261?
If you have a seat on flight UA261 from DEN to Sioux Falls, SD Airport (FSD-Sioux Falls Regional), there's a strong chance you'll be heading off on an Airbus A319. Flight UA261 serves several routes, but this is the busiest.
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 UA261 flight with Travelocity, please visit our Customer Service Portal.