| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | DEN | GSP | 09:57 | 14:30 |
Landed
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Track > |
| May 19 | DEN | GSP | 09:56 | 14:33 |
Landed
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| May 18 | DEN | GSP | 10:12 | 15:00 |
Landed
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| May 17 | DEN | GSP | 10:05 | 14:42 |
Landed
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| May 16 | DEN | GSP | 10:14 | 14:51 |
Landed
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| May 15 | DEN | GSP | 10:09 | 14:41 |
Landed
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| May 14 | DEN | GSP | 10:05 | 14:36 |
Landed
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| May 13 | DEN | GSP | 09:54 | 14:22 |
Landed
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| May 12 | DEN | GSP | 10:03 | 14:34 |
Landed
|
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| May 11 | DEN | GSP | 12:41 | 17:09 |
Delayed
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Track > |
United Airlines Flight UA621 connects Denver, United States to Greenville-Spartanburg, United States, taking off from Denver International Airport DEN and landing at Greenville-Spartanburg International Airport GSP.
How long is the UA621 flight from Denver to Greenville-Spartanburg?
The average flight time from Denver to Greenville-Spartanburg is 2 hours and 34 minutes. The flight distance is 2053 km / 1276 miles and the average flight speed is 800 km/h / 497 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA621 Denver to Greenville-Spartanburg?
The Airportia On-Time Performance Rating for United Airlines Flight UA621 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA621 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 14:30.
How else can the flight UA621 be referenced as?
This United Airlines flight can also be referenced as UAL621, UA0621, UA 621, UAL 621.
How often is flight UA621 delayed?
On average, 30% of all UA621 flights are delayed. The average delay is 51 minutes.
Can I get compensation for my delayed or cancelled UA621 flight or baggage issues?
If your UA621 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 UA621 Flight Tracker above for more details.
Other flights departing from Denver DEN: OO4759, UA572, UA5829, UA1003
Other flights arriving at Greenville-Spartanburg GSP: AA6099, UA4529, UA4043, AA6043
All flights connecting Denver DEN to Greenville-Spartanburg GSP.