Flight Reliability
UA 6109 · United Airlines
Houston → Kansas City (IAH–MCI)
93
Nerd Approved
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 6109 arrived on time 88% of the time on Mondays and just 71% on Sundays. That gap is worth planning around.
A bit ahead of the United Airlines network.
UA 6109 arrived on time 85% of the time, versus 79% across the United Airlines network.
It basically never cancels.
Out of 116 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon88%(17 flights)
- Tue82%(17 flights)
- Wed88%(17 flights)
- Thu88%(16 flights)
- Fri88%(16 flights)
- Sat88%(16 flights)
- Sun71%(17 flights)
92%
Sep
Jun 83% → Sep 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 81% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 92% | 24 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 116
- 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.