Flight Reliability
UA 4816 · United Airlines
AMA → Houston (AMA–IAH)88% of its flights flew this route. The rest (LIT–IAH, IAD–CVG) are included in these numbers.
85
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.9%
- Cancelled
- 12 min early
- Median arrival delay
Based on 221 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 4816 arrived on time 89% of the time on Tuesdays and just 73% on Mondays. That gap is worth planning around.
A bit behind the AMA–IAH route.
UA 4816 arrived on time 80% of the time, versus 86% across the AMA–IAH route.
Slipping a little lately.
UA 4816 arrived on time 82% of the time over the last three months in the data, compared with 87% in the three months before that.
The breakdown
- Mon73%(30 flights)
- Tue89%(27 flights)
- Wed74%(31 flights)
- Thu81%(31 flights)
- Fri77%(30 flights)
- Sat85%(39 flights)
- Sun84%(31 flights)
- 12–3 PM80%(20 flights)
- 3–6 PM80%(199 flights)
82%
May
Jun 66% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 29 |
| July 2025 | 77% | 30 |
| August 2025 | 74% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 96% | 25 |
| December 2025 | 93% | 14 |
| April 2026 | 72% | 18 |
| May 2026 | 82% | 27 |
- Departures on time
- 85%
- Diverted
- 0%
- Flights flown
- 219
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 221 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.