About 1 in 7 UA 4011 flights from Midland arrived 15+ minutes late, diverted or cancelled over the past year (13%); 1.4% were cancelled. The typical flight landed 9 minutes early.
UA 4011: MAF → IAH
Scheduled to leave Midland at 11:57 a.m. local time, operated by Mesa Airlines as YV 4011. Over the past year it arrived on time 87% of the time (217 flights), better than other UA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 37 | 84% |
| Tuesday | 36 | 89% |
| Wednesday | 33 | 79% |
| Thursday | 36 | 94% |
| Friday | 36 | 92% |
| Saturday | 5 | — |
| Sunday | 34 | 82% |
Why it was late
All flights MAF → IAH · Connecting off UA 4011? Check the risk
Questions
How often is UA 4011 from MAF to IAH late?
United Airlines 4011 from Midland/Odessa, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 13% of 217 scheduled flights between September 2025 and August 2026. 1.4% 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.