| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 03 | COS | DEN | 16:51 | 17:19 |
En-Route
|
Track > |
| May 03 | COS | DEN | 13:45 | 18:12 |
En-Route
|
Track > |
United Airlines Flight UA2121 connects Colorado Springs, United States to Denver, United States, taking off from Colorado Springs Airport COS and landing at Denver International Airport DEN.
What is the On-Time Performance (OTP) of United Airlines Flight UA2121 Colorado Springs to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA2121 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA2121 arriving at?
Flight UA2121 arrives at Denver International Airport (DEN) Terminal B.
When was the latest UA2121 flight?
The latest flight took off on Sunday, May 3rd, 2026 with the flight status being En-Route on 17:19.
How else can the flight UA2121 be referenced as?
This United Airlines flight can also be referenced as UAL2121, UA 2121, UAL 2121.
How often is flight UA2121 delayed?
On average, 0% of all UA2121 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA2121 flight or baggage issues?
If your UA2121 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA2121 Flight Tracker above for more details.
Other flights departing from Colorado Springs COS: WN3887, UA1483, UA1942, UA514
Other flights arriving at Denver DEN: WN1921, LF527, WN731, WN1479
All flights connecting Colorado Springs COS to Denver DEN.