Question 1

Where does UA 521 land?

Accepted Answer

UA 521 operated by United Airlines arrives at Great Falls International Airport (GTF) in Great Falls. The scheduled arrival time is 14:00, Terminal 5.

Question 2

Is UA 521 usually on time?

Accepted Answer

On-time performance for UA 521 varies with season, weather, and air traffic. TrackMyWings will track live and historical on-time rates for this flight at launch — allow buffer time for tight connections until you can check recent data.

Question 3

Which terminal does UA 521 depart from?

Accepted Answer

UA 521 departs from Denver International Airport (DEN), Terminal 3. The scheduled departure time is 08:00. Always confirm terminal information with United Airlines closer to your travel date as it can change.

Question 4

What aircraft does UA 521 use?

Accepted Answer

UA 521 is operated on a Airbus A320neo with 180 seats across 2 cabin classes. Aircraft assignments can change — check with United Airlines for the latest configuration.

Question 5

How long is the UA 521 flight?

Accepted Answer

The scheduled flight duration for UA 521 from Denver (DEN) to Great Falls (GTF) is 1h 15m. Actual flight time may vary depending on air traffic, weather, and routing.

UA 521

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