Flight OddsUA1631 LAS → LAX
United Airlines · Las Vegas, NV to Los Angeles, CA · 150 flights observed, 2025-10-26 to 2026-03-28 · 236 mi
UA1631 covers more than one route in the data window — the stats below are for LAS → LAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-8 min
90th percentile
+24 min
Cancellation rate
1%
How often is UA1631 on time?
Across 150 flights on LAS → LAX from 2025-10-26 to 2026-03-28, UA1631 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +24 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 | 126 | 85% |
| 16-30 min | 9 | 6% |
| 31-60 min | 8 | 5% |
| 61-120 min | 4 | 3% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -10 min |
| 2025-11 | 29 | 83% | +1 min |
| 2025-12 | 31 | 87% | 0 min |
| 2026-01 | 28 | 75% | +2 min |
| 2026-02 | 27 | 85% | -6 min |
| 2026-03 | 28 | 89% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 82% |
| Tue | 22 | 82% |
| Wed | 21 | 81% |
| Thu | 22 | 91% |
| Fri | 22 | 82% |
| Sat | 18 | 94% |
| Sun | 22 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…