Flight Reliability
UA 4705 · United Airlines
Denver → HLN (DEN–HLN)91% of its flights flew this route. The rest (DEN–SAF) are included in these numbers.
- 75%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 2.5%
- Cancelled
- 5 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
UA 4705 departing between 6–9 AM arrived on time 91% of the time, versus 73% between 6–9 PM.
Friday is doing you no favors.
UA 4705 arrived on time 85% of the time on Thursdays and just 64% on Fridays. That gap is worth planning around.
A bit behind the DEN–HLN route.
UA 4705 arrived on time 75% of the time, versus 79% across the DEN–HLN route.
A bit behind the United Airlines network.
UA 4705 arrived on time 75% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon80%(51 flights)
- Tue76%(49 flights)
- Wed80%(51 flights)
- Thu85%(48 flights)
- Fri64%(50 flights)
- Sat73%(52 flights)
- Sun66%(53 flights)
- 6–9 AM91%(32 flights)
- 6–9 PM73%(322 flights)
Jun 43% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 43% | 28 |
| July 2025 | 52% | 27 |
| August 2025 | 48% | 29 |
| September 2025 | 73% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 86% | 29 |
| December 2025 | 81% | 31 |
| January 2026 | 84% | 31 |
| February 2026 | 89% | 27 |
| March 2026 | 80% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 74%
- Diverted
- 0.3%
- Flights flown
- 354
- 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.