Flight Reliability
UA 4899 · United Airlines
Houston → Little Rock (IAH–LIT)98% of its flights flew this route. The rest (IAD–BDL) are included in these numbers.
76
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 0%
- Cancelled
- 3 min early
- Median arrival delay
Based on 121 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 4899 arrived on time 86% of the time on Saturdays and just 52% on Sundays. That gap is worth planning around.
Lagging the IAH–LIT route.
UA 4899 arrived on time 70% of the time, versus 81% across the IAH–LIT route.
Lagging the United Airlines network.
UA 4899 arrived on time 70% of the time, versus 79% across the United Airlines network.
It basically never cancels.
Out of 121 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon67%(21 flights)
- Tue67%(15 flights)
- Wed68%(19 flights)
- Thu79%(19 flights)
- Fri83%(12 flights)
- Sat86%(14 flights)
- Sun52%(21 flights)
- 12–3 PM—(2 flights)
- 6–9 PM70%(119 flights)
75%
Dec
Jul 61% → Dec 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 61% | 23 |
| August 2025 | 61% | 23 |
| September 2025 | 74% | 19 |
| November 2025 | 86% | 29 |
| December 2025 | 75% | 16 |
- Departures on time
- 73%
- Diverted
- 0%
- Flights flown
- 121
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 121 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.