Flight OddsUA4001 MAF → IAH
United Airlines · Midland/Odessa, TX to Houston, TX · 125 flights observed, 2025-10-26 to 2026-06-30 · 429 mi
UA4001 covers more than one route in the data window — the stats below are for MAF → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-3 min
90th percentile
+64 min
Cancellation rate
2%
How often is UA4001 on time?
Across 125 flights on MAF → IAH from 2025-10-26 to 2026-06-30, UA4001 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +64 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 87 | 72% |
| 16-30 min | 14 | 12% |
| 31-60 min | 7 | 6% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 8 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 67% | +8 min |
| 2025-11 | 21 | 76% | +5 min |
| 2025-12 | 1 | 0% | +18 min |
| 2026-03 | 3 | 100% | -2 min |
| 2026-04 | 29 | 66% | +20 min |
| 2026-05 | 31 | 68% | +17 min |
| 2026-06 | 30 | 80% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 80% |
| Tue | 18 | 78% |
| Wed | 17 | 88% |
| Thu | 16 | 75% |
| Fri | 17 | 53% |
| Sat | 13 | 62% |
| Sun | 20 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…