Flight Reliability
UA 5224 · United Airlines
Denver → DRO (DEN–DRO)
83
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.5%
- Cancelled
- 7 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 5224 arrived on time 86% of the time on Saturdays and just 71% on Fridays. That gap is worth planning around.
Slipping a little lately.
UA 5224 arrived on time 78% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon81%(52 flights)
- Tue78%(51 flights)
- Wed82%(50 flights)
- Thu80%(51 flights)
- Fri71%(52 flights)
- Sat86%(51 flights)
- Sun85%(53 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM81%(359 flights)
87%
May
Jun 79% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 29 |
| July 2025 | 55% | 31 |
| August 2025 | 74% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 93% | 27 |
| December 2025 | 90% | 31 |
| January 2026 | 77% | 31 |
| February 2026 | 78% | 27 |
| March 2026 | 81% | 31 |
| April 2026 | 67% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 81%
- Diverted
- 0.8%
- Flights flown
- 360
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.