About 1 in 6 UA 4919 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (18%); 1.0% were cancelled. The typical flight landed 14 minutes early.
UA 4919: IAH → HRL
Scheduled to leave Houston at 8:35 p.m. local time, operated by CommutAir as C5 4919. Over the past year it arrived on time 82% of the time (297 flights), in line with other UA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Houston to Harlingen (100% of days). United Airlines's last IAH–HRL flight was cancelled 0.8% of the time, against 0.8% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 12:11 p.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 73% |
| Tuesday | 44 | 84% |
| Wednesday | 40 | 93% |
| Thursday | 43 | 88% |
| Friday | 38 | 87% |
| Saturday | 44 | 73% |
| Sunday | 43 | 81% |
Why it was late
All flights IAH → HRL · Connecting off UA 4919? Check the risk
Questions
How often is UA 4919 from IAH to HRL late?
United Airlines 4919 from Houston, TX to Harlingen/San Benito, TX arrived 15 or more minutes late, was diverted or was cancelled on 18% of 297 scheduled flights between September 2025 and August 2026. 1.0% 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.