Flight Reliability
UA 4346 · United Airlines
BRO → Houston (BRO–IAH)
93
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.6%
- Cancelled
- 5 min early
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 4346 arrived on time 94% of the time on Tuesdays. On Sundays: 81%.
Better than the United Airlines network average.
UA 4346 arrived on time 87% of the time, versus 79% across the United Airlines network.
Recent months have been rougher.
UA 4346 arrived on time 75% of the time over the last three months in the data, compared with 91% in the three months before that.
The breakdown
- Mon85%(52 flights)
- Tue94%(51 flights)
- Wed84%(51 flights)
- Thu89%(52 flights)
- Fri92%(51 flights)
- Sat87%(52 flights)
- Sun81%(52 flights)
65%
May
Jun 77% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 100% | 30 |
| August 2025 | 100% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 93% | 29 |
| December 2025 | 84% | 31 |
| January 2026 | 100% | 30 |
| February 2026 | 89% | 27 |
| March 2026 | 84% | 31 |
| April 2026 | 77% | 30 |
| May 2026 | 65% | 31 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 361
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 363 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.