Flight Reliability
UA 306 · United Airlines
Cleveland → Los Angeles (CLE–LAX)91% of its flights flew this route. The rest (IAH–MCI) are included in these numbers.
- 92%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 0%
- Cancelled
- 11 min early
- Median arrival delay
Based on 240 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
UA 306 arrived on time 100% of the time on Thursdays and just 82% on Tuesdays. That gap is worth planning around.
Better than the United Airlines network average.
UA 306 arrived on time 92% of the time, versus 79% across the United Airlines network.
It basically never cancels.
Out of 240 scheduled flights, only 0.0% were cancelled.
Recent months have been rougher.
UA 306 arrived on time 86% of the time over the last three months in the data, compared with 95% in the three months before that.
The breakdown
- Mon97%(35 flights)
- Tue82%(34 flights)
- Wed94%(34 flights)
- Thu100%(34 flights)
- Fri88%(34 flights)
- Sat85%(34 flights)
- Sun94%(35 flights)
- 6–9 AM92%(219 flights)
- 9 AM–12 PM91%(21 flights)
Jun 93% → Feb 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 93% | 30 |
| July 2025 | 97% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 100% | 31 |
| November 2025 | 93% | 30 |
| December 2025 | 77% | 31 |
| February 2026 | 88% | 17 |
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 240
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 240 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.