Flight Reliability
UA 4330 · United Airlines
LCH → Houston (LCH–IAH)
88
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.5%
- Cancelled
- 14 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Skip Tuesday if you can.
UA 4330 arrived on time 89% of the time on Fridays. On Tuesdays: 75%.
Recent months have been rougher.
UA 4330 arrived on time 71% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon81%(52 flights)
- Tue75%(51 flights)
- Wed85%(52 flights)
- Thu77%(52 flights)
- Fri89%(52 flights)
- Sat79%(52 flights)
- Sun89%(52 flights)
71%
May
Jun 80% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 100% | 30 |
| August 2025 | 90% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 87% | 30 |
| December 2025 | 71% | 31 |
| January 2026 | 77% | 30 |
| February 2026 | 86% | 28 |
| March 2026 | 58% | 31 |
| April 2026 | 83% | 30 |
| May 2026 | 71% | 31 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 363
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.