UA2378 ORD → LAX
United Airlines · Chicago, IL to Los Angeles, CA · 104 flights observed, 2025-07-01 to 2026-01-05 · 1,744 mi
UA2378 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
72%
Median delay
+3 min
90th percentile
+44 min
Cancellation rate
1%
How often is UA2378 on time?
Across 104 flights on ORD → LAX from 2025-07-01 to 2026-01-05, UA2378 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +44 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 | 74 | 72% |
| 16-30 min | 11 | 11% |
| 31-60 min | 9 | 9% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 72% | +18 min |
| 2025-08 | 23 | 65% | +14 min |
| 2025-09 | 21 | 90% | -3 min |
| 2025-10 | 15 | 53% | +26 min |
| 2025-12 | 14 | 79% | +5 min |
| 2026-01 | 5 | 60% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 68% |
| Tue | 9 | 78% |
| Wed | 15 | 73% |
| Thu | 19 | 74% |
| Fri | 19 | 84% |
| Sat | 4 | 75% |
| Sun | 18 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…