Flight Reliability
UA 5911 · United Airlines
HLN → Denver (HLN–DEN)
65
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 22 min
- Average arrival delay
- 0.5%
- Cancelled
- 5 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 5911 arrived on time 85% of the time on Tuesdays and just 67% on Fridays. That gap is worth planning around.
A bit behind the United Airlines network.
UA 5911 arrived on time 75% of the time, versus 79% across the United Airlines network.
Trending in the right direction.
UA 5911 arrived on time 92% of the time over the last three months in the data, compared with 80% in the three months before that.
The breakdown
- Mon75%(52 flights)
- Tue85%(47 flights)
- Wed71%(51 flights)
- Thu71%(49 flights)
- Fri67%(51 flights)
- Sat72%(50 flights)
- Sun81%(53 flights)
90%
May
Jun 39% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 39% | 26 |
| July 2025 | 25% | 28 |
| August 2025 | 55% | 29 |
| September 2025 | 72% | 29 |
| October 2025 | 90% | 31 |
| November 2025 | 86% | 28 |
| December 2025 | 71% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 90% | 31 |
| April 2026 | 97% | 30 |
| May 2026 | 90% | 31 |
- Departures on time
- 77%
- Diverted
- 2.5%
- Flights flown
- 353
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.