Flight OddsUA1584 ORD → LAX
United Airlines · Chicago, IL to Los Angeles, CA · 117 flights observed, 2025-07-01 to 2025-10-25 · 1,744 mi
UA1584 covers more than one route in the data window — the stats below are for ORD → LAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-10 min
90th percentile
+17 min
Cancellation rate
1%
How often is UA1584 on time?
Across 117 flights on ORD → LAX from 2025-07-01 to 2025-10-25, UA1584 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +17 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 | 104 | 90% |
| 16-30 min | 5 | 4% |
| 31-60 min | 4 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | -6 min |
| 2025-08 | 30 | 90% | -6 min |
| 2025-09 | 30 | 93% | -8 min |
| 2025-10 | 25 | 84% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 94% |
| Tue | 17 | 88% |
| Wed | 17 | 94% |
| Thu | 16 | 100% |
| Fri | 17 | 76% |
| Sat | 17 | 82% |
| Sun | 16 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…