Flight Reliability
UA 4975 · United Airlines
Houston → LFT (IAH–LFT)87% of its flights flew this route. The rest (SCE–IAD) are included in these numbers.
84
Pretty Reliable
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 1.8%
- Cancelled
- 14 min early
- Median arrival delay
Based on 224 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
UA 4975 departing between 6–9 PM arrived on time 100% of the time, versus 85% between 12–3 PM.
Monday is the weak spot.
UA 4975 arrived on time 92% of the time on Saturdays. On Mondays: 79%.
A bit ahead of the IAH–LFT route.
UA 4975 arrived on time 87% of the time, versus 81% across the IAH–LFT route.
Better than the United Airlines network average.
UA 4975 arrived on time 87% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon79%(34 flights)
- Tue82%(33 flights)
- Wed90%(31 flights)
- Thu91%(33 flights)
- Fri88%(33 flights)
- Sat92%(24 flights)
- Sun87%(30 flights)
- 12–3 PM85%(189 flights)
- 6–9 PM100%(29 flights)
100%
Apr
Jun 78% → Apr 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 27 |
| July 2025 | 81% | 31 |
| August 2025 | 78% | 27 |
| September 2025 | 93% | 27 |
| October 2025 | 90% | 31 |
| November 2025 | 89% | 26 |
| December 2025 | 87% | 15 |
| April 2026 | 100% | 26 |
- Departures on time
- 88%
- Diverted
- 0.9%
- Flights flown
- 218
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 224 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.