Flight Reliability
UA 6115 · United Airlines
Kansas City → Washington (MCI–IAD)99% of its flights flew this route. The rest (IAH–BNA) are included in these numbers.
88
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 0.6%
- Cancelled
- 7 min early
- Median arrival delay
Based on 355 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 6115 arrived on time 94% of the time on Saturdays. On Sundays: 82%.
A bit ahead of the United Airlines network.
UA 6115 arrived on time 86% of the time, versus 79% across the United Airlines network.
Ticking up lately.
UA 6115 arrived on time 92% of the time over the last three months in the data, compared with 86% in the three months before that.
The breakdown
- Mon86%(49 flights)
- Tue82%(50 flights)
- Wed82%(50 flights)
- Thu92%(50 flights)
- Fri82%(51 flights)
- Sat94%(50 flights)
- Sun82%(50 flights)
- 6–9 AM—(2 flights)
- 12–3 PM86%(348 flights)
86%
May
Jun 72% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 29 |
| July 2025 | 60% | 30 |
| August 2025 | 84% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 90% | 29 |
| December 2025 | 81% | 31 |
| January 2026 | 83% | 30 |
| February 2026 | 93% | 28 |
| March 2026 | 90% | 30 |
| April 2026 | 100% | 30 |
| May 2026 | 86% | 21 |
- Departures on time
- 87%
- Diverted
- 0.8%
- Flights flown
- 350
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 355 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.