About 1 in 8 UA 4017 flights from Midland arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.5% were cancelled. The typical flight landed 14 minutes early.
UA 4017: MAF → IAH
Scheduled to leave Midland at 7:13 p.m. local time, operated by Mesa Airlines as YV 4017. Over the past year it arrived on time 88% of the time (209 flights), in line with other UA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Midland to Houston (100% of days). United Airlines's last MAF–IAH flight was cancelled 0.3% of the time, against 0.8% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 35 | 86% |
| Tuesday | 34 | 97% |
| Wednesday | 35 | 86% |
| Thursday | 37 | 92% |
| Friday | 31 | 90% |
| Saturday | 4 | — |
| Sunday | 33 | 79% |
Why it was late
All flights MAF → IAH · Connecting off UA 4017? Check the risk
Questions
How often is UA 4017 from MAF to IAH late?
United Airlines 4017 from Midland/Odessa, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 12% of 209 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.