Flight Reliability
UA 5774 · United Airlines
Aspen → Denver (ASE–DEN)96% of its flights flew this route. The rest (BDL–ORD) are included in these numbers.
- 77%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 3.5%
- Cancelled
- 13 min early
- Median arrival delay
Based on 347 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
UA 5774 departing between 9 AM–12 PM arrived on time 100% of the time, versus 76% between 12–3 PM.
Sunday scaries are real for this one.
UA 5774 arrived on time 90% of the time on Wednesdays and just 71% on Sundays. That gap is worth planning around.
Keep a backup plan handy.
UA 5774 was cancelled 3.5% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
UA 5774 arrived on time 90% of the time over the last three months in the data, compared with 71% in the three months before that.
The breakdown
- Mon73%(51 flights)
- Tue80%(49 flights)
- Wed90%(49 flights)
- Thu75%(47 flights)
- Fri75%(48 flights)
- Sat74%(46 flights)
- Sun71%(44 flights)
- 9 AM–12 PM100%(13 flights)
- 12–3 PM76%(321 flights)
Jun 55% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 55% | 29 |
| July 2025 | 63% | 30 |
| August 2025 | 71% | 28 |
| September 2025 | 87% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 82% | 28 |
| December 2025 | 63% | 30 |
| January 2026 | 77% | 30 |
| February 2026 | 72% | 25 |
| March 2026 | 83% | 29 |
| April 2026 | 86% | 21 |
| May 2026 | 100% | 23 |
- Departures on time
- 78%
- Diverted
- 0.3%
- Flights flown
- 334
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 347 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.