Flight Reliability
UA 6108 · United Airlines
Louisville → Houston (SDF–IAH)93% of its flights flew this route. The rest (IAH–PIT, LGA–IAD) are included in these numbers.
79
Usually Fine
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 0.9%
- Cancelled
- 9 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 6108 arrived on time 94% of the time on Thursdays and just 56% on Fridays. That gap is worth planning around.
The breakdown
- Mon88%(16 flights)
- Tue88%(17 flights)
- Wed71%(17 flights)
- Thu94%(16 flights)
- Fri56%(16 flights)
- Sat75%(16 flights)
- Sun88%(17 flights)
- 9 AM–12 PM80%(110 flights)
- 6–9 PM—(5 flights)
100%
Sep
Jun 76% → Sep 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 29 |
| July 2025 | 71% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 100% | 24 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 115
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 116 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.