Flight Reliability
UA 4976 · United Airlines
Houston → LBB (IAH–LBB)99% of its flights flew this route. The rest (IAH–HRL) are included in these numbers.
60
A Little Dicey
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 3.2%
- Cancelled
- 8 min early
- Median arrival delay
Based on 95 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 4976 arrived on time 93% of the time on Saturdays and just 36% on Sundays. That gap is worth planning around.
Lagging the IAH–LBB route.
UA 4976 arrived on time 74% of the time, versus 83% across the IAH–LBB route.
A bit behind the United Airlines network.
UA 4976 arrived on time 74% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon69%(13 flights)
- Tue77%(13 flights)
- Wed85%(13 flights)
- Thu83%(12 flights)
- Fri82%(11 flights)
- Sat93%(14 flights)
- Sun36%(14 flights)
100%
Dec
Jun 50% → Dec 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 26 |
| July 2025 | 83% | 29 |
| August 2025 | 82% | 17 |
| December 2025 | 100% | 13 |
- Departures on time
- 72%
- Diverted
- 2.1%
- Flights flown
- 90
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 95 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.