Flight Reliability
UA 4830 · United Airlines
Little Rock → Houston (LIT–IAH)87% of its flights flew this route. The rest (IAH–ICT, IAH–LFT) are included in these numbers.
- 84%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 2.4%
- Cancelled
- 13 min early
- Median arrival delay
Based on 249 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
UA 4830 departing between 12–3 PM arrived on time 93% of the time, versus 83% between 9 AM–12 PM.
Thursdays have been rough.
UA 4830 arrived on time 91% of the time on Sundays and just 76% on Thursdays. That gap is worth planning around.
A bit ahead of the LIT–IAH route.
UA 4830 arrived on time 84% of the time, versus 79% across the LIT–IAH route.
A bit ahead of the United Airlines network.
UA 4830 arrived on time 84% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon86%(36 flights)
- Tue85%(33 flights)
- Wed77%(35 flights)
- Thu76%(37 flights)
- Fri87%(38 flights)
- Sat90%(30 flights)
- Sun91%(33 flights)
- 9 AM–12 PM83%(210 flights)
- 12–3 PM93%(29 flights)
- 3–6 PM—(3 flights)
Jul 80% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 80% | 30 |
| August 2025 | 100% | 18 |
| November 2025 | 82% | 28 |
| December 2025 | 88% | 24 |
| January 2026 | 82% | 28 |
| February 2026 | 84% | 25 |
| March 2026 | 81% | 26 |
| April 2026 | 90% | 30 |
| May 2026 | 75% | 20 |
- Departures on time
- 86%
- Diverted
- 0.4%
- Flights flown
- 242
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 249 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.