Flight Reliability
UA 4375 · United Airlines
Houston → LCH (IAH–LCH)95% of its flights flew this route. The rest (BTV–IAD, ELP–IAH) are included in these numbers.
78
Usually Fine
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 2.7%
- Cancelled
- 9 min early
- Median arrival delay
Based on 258 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
UA 4375 departing between 12–3 PM arrived on time 88% of the time, versus 75% between 3–6 PM.
Sunday scaries are real for this one.
UA 4375 arrived on time 96% of the time on Tuesdays and just 76% on Sundays. That gap is worth planning around.
Slipping a little lately.
UA 4375 arrived on time 82% of the time over the last three months in the data, compared with 85% in the three months before that.
The breakdown
- Mon77%(39 flights)
- Tue96%(23 flights)
- Wed76%(37 flights)
- Thu87%(39 flights)
- Fri76%(38 flights)
- Sat88%(34 flights)
- Sun76%(41 flights)
- 3–6 AM—(4 flights)
- 12–3 PM88%(113 flights)
- 3–6 PM75%(133 flights)
- 6–9 PM—(1 flights)
77%
May
Jun 50% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 20 |
| July 2025 | 80% | 20 |
| August 2025 | 82% | 17 |
| November 2025 | 82% | 22 |
| December 2025 | 73% | 15 |
| January 2026 | 87% | 30 |
| February 2026 | 96% | 28 |
| March 2026 | 90% | 30 |
| April 2026 | 80% | 30 |
| May 2026 | 77% | 26 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 251
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 258 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.