Flight OddsUA1331 IAH → LAS
United Airlines · Houston, TX to Las Vegas, NV · 69 flights observed, 2026-01-06 to 2026-04-29 · 1,222 mi
UA1331 covers more than one route in the data window — the stats below are for IAH → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-14 min
90th percentile
+30 min
Cancellation rate
0%
How often is UA1331 on time?
Across 69 flights on IAH → LAS from 2026-01-06 to 2026-04-29, UA1331 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +30 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 59 | 86% |
| 16-30 min | 3 | 4% |
| 31-60 min | 2 | 3% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | -11 min |
| 2026-02 | 11 | 91% | -13 min |
| 2026-03 | 3 | 100% | -21 min |
| 2026-04 | 29 | 79% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 11 | 100% |
| Wed | 11 | 100% |
| Thu | 9 | 100% |
| Fri | 9 | 78% |
| Sat | 9 | 56% |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…