Flight Reliability
UA 4810 · United Airlines
Houston → Knoxville (IAH–TYS)97% of its flights flew this route. The rest (ORF–IAD) are included in these numbers.
73
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 2.9%
- Cancelled
- 7 min early
- Median arrival delay
Based on 348 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 4810 arrived on time 88% of the time on Wednesdays and just 69% on Mondays. That gap is worth planning around.
Slipping a little lately.
UA 4810 arrived on time 80% of the time over the last three months in the data, compared with 86% in the three months before that.
The breakdown
- Mon69%(49 flights)
- Tue86%(49 flights)
- Wed88%(48 flights)
- Thu82%(50 flights)
- Fri74%(49 flights)
- Sat79%(43 flights)
- Sun77%(48 flights)
83%
May
Jun 66% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 29 |
| July 2025 | 64% | 28 |
| August 2025 | 75% | 28 |
| September 2025 | 96% | 25 |
| October 2025 | 81% | 31 |
| November 2025 | 75% | 28 |
| December 2025 | 78% | 27 |
| January 2026 | 92% | 26 |
| February 2026 | 89% | 26 |
| March 2026 | 86% | 28 |
| April 2026 | 70% | 30 |
| May 2026 | 83% | 30 |
- Departures on time
- 81%
- Diverted
- 0.6%
- Flights flown
- 336
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 348 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.