Flight Reliability
UA 6012 · United Airlines
Chicago → COU (ORD–COU)80% of its flights flew this route. The rest (FAR–ORD) are included in these numbers.
- 66%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 3.1%
- Cancelled
- 3 min
- Median arrival delay
Based on 96 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
UA 6012 departing between 3–6 PM arrived on time 82% of the time, versus 61% between 9 AM–12 PM.
Friday is doing you no favors.
UA 6012 arrived on time 73% of the time on Saturdays and just 54% on Fridays. That gap is worth planning around.
A bit behind the ORD–COU route.
UA 6012 arrived on time 66% of the time, versus 70% across the ORD–COU route.
Lagging the United Airlines network.
UA 6012 arrived on time 66% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon69%(13 flights)
- Tue64%(14 flights)
- Wed71%(14 flights)
- Thu64%(14 flights)
- Fri54%(13 flights)
- Sat73%(11 flights)
- Sun64%(14 flights)
- 9 AM–12 PM61%(75 flights)
- 3–6 PM82%(17 flights)
- 6–9 PM—(1 flights)
Feb 53% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| February 2026 | 53% | 17 |
| March 2026 | 53% | 30 |
| April 2026 | 76% | 29 |
| May 2026 | 82% | 17 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 93
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 96 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.