Flight Reliability
UA 5389 · United Airlines
Denver → Des Moines (DEN–DSM)
87
Pretty Reliable
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 1.9%
- Cancelled
- 15 min early
- Median arrival delay
Based on 213 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 5389 arrived on time 93% of the time on Wednesdays. On Fridays: 79%.
Better than the DEN–DSM route average.
UA 5389 arrived on time 89% of the time, versus 80% across the DEN–DSM route.
Better than the United Airlines network average.
UA 5389 arrived on time 89% of the time, versus 79% across the United Airlines network.
Slipping a little lately.
UA 5389 arrived on time 85% of the time over the last three months in the data, compared with 89% in the three months before that.
The breakdown
- Mon90%(31 flights)
- Tue87%(30 flights)
- Wed93%(30 flights)
- Thu93%(29 flights)
- Fri79%(29 flights)
- Sat86%(28 flights)
- Sun90%(31 flights)
- 6–9 PM88%(189 flights)
- 9 PM–12 AM90%(19 flights)
81%
May
Nov 96% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 96% | 27 |
| December 2025 | 87% | 31 |
| January 2026 | 84% | 31 |
| February 2026 | 96% | 25 |
| March 2026 | 85% | 27 |
| April 2026 | 90% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 87%
- Diverted
- 0.5%
- Flights flown
- 208
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 213 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.