About 1 in 5 UA 4299 flights from Huntsville arrived 15+ minutes late, diverted or cancelled over the past year (21%); 0.7% were cancelled. The typical flight landed 8 minutes early.
UA 4299: HSV → IAH
Scheduled to leave Huntsville at 6:15 a.m. local time, operated by CommutAir as C5 4299. Over the past year it arrived on time 79% of the time (288 flights), in line with other UA flights on the route at that hour (80%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 42 | 76% |
| Tuesday | 41 | 78% |
| Wednesday | 39 | 87% |
| Thursday | 42 | 71% |
| Friday | 42 | 86% |
| Saturday | 42 | 74% |
| Sunday | 40 | 83% |
Why it was late
All flights HSV → IAH · Connecting off UA 4299? Check the risk
Questions
How often is UA 4299 from HSV to IAH late?
United Airlines 4299 from Huntsville, AL to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 21% of 288 scheduled flights between September 2025 and August 2026. 0.7% 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.