About 1 in 7 UA 4813 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.5% were cancelled. The typical flight landed 13 minutes early.
UA 4813: IAH → BRO
Scheduled to leave Houston at 10:00 a.m. local time, operated by CommutAir as C5 4813. Over the past year it arrived on time 85% of the time (362 flights), better than other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 83% |
| Tuesday | 52 | 90% |
| Wednesday | 49 | 84% |
| Thursday | 52 | 88% |
| Friday | 52 | 83% |
| Saturday | 52 | 87% |
| Sunday | 52 | 83% |
Why it was late
All flights IAH → BRO · Connecting off UA 4813? Check the risk
Questions
How often is UA 4813 from IAH to BRO late?
United Airlines 4813 from Houston, TX to Brownsville, TX arrived 15 or more minutes late, was diverted or was cancelled on 15% of 362 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.