Flight OddsUA4003 MEM → IAH
United Airlines · Memphis, TN to Houston, TX · 141 flights observed, 2025-10-26 to 2026-06-30 · 468 mi
UA4003 covers more than one route in the data window — the stats below are for MEM → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-17 min
90th percentile
+15 min
Cancellation rate
1%
How often is UA4003 on time?
Across 141 flights on MEM → IAH from 2025-10-26 to 2026-06-30, UA4003 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +15 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 127 | 91% |
| 16-30 min | 5 | 4% |
| 31-60 min | 1 | 1% |
| 61-120 min | 4 | 3% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -6 min |
| 2025-11 | 29 | 97% | -18 min |
| 2025-12 | 31 | 94% | -11 min |
| 2026-01 | 5 | 100% | -26 min |
| 2026-02 | 16 | 94% | -4 min |
| 2026-03 | 4 | 100% | -16 min |
| 2026-04 | 1 | 100% | -12 min |
| 2026-05 | 30 | 87% | +8 min |
| 2026-06 | 18 | 78% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 87% |
| Tue | 22 | 91% |
| Wed | 16 | 100% |
| Thu | 21 | 81% |
| Fri | 22 | 95% |
| Sat | 18 | 94% |
| Sun | 18 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…