Flight Reliability
UA 235 · United Airlines
Atlanta → Denver (ATL–DEN)100% of its flights flew this route. The rest (DEN–CLT) are included in these numbers.
82
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Skip Saturday if you can.
UA 235 arrived on time 85% of the time on Wednesdays. On Saturdays: 75%.
It basically never cancels.
Out of 365 scheduled flights, only 0.0% were cancelled.
Slipping a little lately.
UA 235 arrived on time 82% of the time over the last three months in the data, compared with 86% in the three months before that.
The breakdown
- Mon78%(51 flights)
- Tue83%(52 flights)
- Wed85%(52 flights)
- Thu84%(49 flights)
- Fri77%(51 flights)
- Sat75%(52 flights)
- Sun77%(53 flights)
- 12–3 PM—(1 flights)
- 3–6 PM80%(359 flights)
73%
May
Jun 67% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 79% | 28 |
| August 2025 | 60% | 30 |
| September 2025 | 73% | 30 |
| October 2025 | 84% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 71% | 31 |
| January 2026 | 94% | 31 |
| February 2026 | 93% | 28 |
| March 2026 | 81% | 31 |
| April 2026 | 93% | 30 |
| May 2026 | 73% | 30 |
- Departures on time
- 83%
- Diverted
- 1.4%
- 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.