Flight Reliability
UA 652 · United Airlines
Denver → St. Louis (DEN–STL)94% of its flights flew this route. The rest (DEN–SAV) are included in these numbers.
90
Nerd Approved
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0.3%
- Cancelled
- 7 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
UA 652 arrived on time 94% of the time on Tuesdays and just 78% on Saturdays. That gap is worth planning around.
A bit ahead of the DEN–STL route.
UA 652 arrived on time 84% of the time, versus 79% across the DEN–STL route.
A bit ahead of the United Airlines network.
UA 652 arrived on time 84% of the time, versus 79% across the United Airlines network.
It basically never cancels.
Out of 365 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon80%(51 flights)
- Tue94%(52 flights)
- Wed79%(52 flights)
- Thu90%(52 flights)
- Fri87%(52 flights)
- Sat78%(51 flights)
- Sun81%(53 flights)
87%
May
Jun 87% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 81% | 31 |
| August 2025 | 65% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 80% | 30 |
| December 2025 | 84% | 31 |
| January 2026 | 87% | 30 |
| February 2026 | 93% | 28 |
| March 2026 | 81% | 31 |
| April 2026 | 90% | 29 |
| May 2026 | 87% | 31 |
- Departures on time
- 86%
- Diverted
- 0.3%
- Flights flown
- 363
- 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.