Flight Reliability
UA 4886 · United Airlines
Houston → BRO (IAH–BRO)99% of its flights flew this route. The rest (IAH–GPT) are included in these numbers.
77
Usually Fine
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 3.6%
- Cancelled
- 11 min early
- Median arrival delay
Based on 140 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 4886 arrived on time 95% of the time on Tuesdays and just 71% on Mondays. That gap is worth planning around.
A bit ahead of the United Airlines network.
UA 4886 arrived on time 83% of the time, versus 79% across the United Airlines network.
Keep a backup plan handy.
UA 4886 was cancelled 3.6% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon71%(17 flights)
- Tue95%(19 flights)
- Wed91%(21 flights)
- Thu80%(20 flights)
- Fri88%(17 flights)
- Sat76%(21 flights)
- Sun80%(20 flights)
- 12–3 AM—(2 flights)
- 12–3 PM83%(133 flights)
96%
Oct
Jun 76% → Oct 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 25 |
| July 2025 | 67% | 27 |
| August 2025 | 83% | 30 |
| September 2025 | 92% | 26 |
| October 2025 | 96% | 25 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 135
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 140 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.