Flight Reliability
UA 5875 · United Airlines
Denver → SUN (DEN–SUN)87% of its flights flew this route. The rest (ORD–OMA, MSY–ORD) are included in these numbers.
- 76%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 183 historical flights. Data through May 2026.
What the data says
6–9 PM has a slight edge.
Departures between 6–9 PM arrived on time 76% of the time, against 70% between 9 AM–12 PM.
Saturdays have been rough.
UA 5875 arrived on time 86% of the time on Thursdays and just 63% on Saturdays. That gap is worth planning around.
A bit behind the DEN–SUN route.
UA 5875 arrived on time 76% of the time, versus 81% across the DEN–SUN route.
A bit behind the United Airlines network.
UA 5875 arrived on time 76% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon80%(25 flights)
- Tue77%(22 flights)
- Wed73%(22 flights)
- Thu86%(28 flights)
- Fri70%(30 flights)
- Sat63%(24 flights)
- Sun79%(29 flights)
- 9 AM–12 PM70%(23 flights)
- 3–6 PM—(1 flights)
- 6–9 PM76%(156 flights)
Jul 61% → Mar 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 61% | 31 |
| August 2025 | 56% | 18 |
| November 2025 | 59% | 17 |
| December 2025 | 84% | 19 |
| January 2026 | 86% | 29 |
| February 2026 | 82% | 27 |
| March 2026 | 82% | 28 |
- Departures on time
- 75%
- Diverted
- 1.6%
- Flights flown
- 180
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 183 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.