Flight Reliability
UA 4807 · United Airlines
MAF → Denver (MAF–DEN)
84
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.1%
- Cancelled
- 13 min early
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
UA 4807 arrived on time 88% of the time on Mondays. On Thursdays: 77%.
A bit ahead of the MAF–DEN route.
UA 4807 arrived on time 84% of the time, versus 81% across the MAF–DEN route.
A bit ahead of the United Airlines network.
UA 4807 arrived on time 84% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon88%(50 flights)
- Tue82%(51 flights)
- Wed82%(51 flights)
- Thu77%(51 flights)
- Fri88%(50 flights)
- Sat86%(51 flights)
- Sun85%(52 flights)
87%
May
Jun 75% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 28 |
| July 2025 | 83% | 30 |
| August 2025 | 77% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 93% | 27 |
| December 2025 | 77% | 30 |
| January 2026 | 83% | 30 |
| February 2026 | 86% | 28 |
| March 2026 | 77% | 30 |
| April 2026 | 83% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 83%
- Diverted
- 0.8%
- Flights flown
- 356
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 363 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.