UA4519 ORD → SCE
United Airlines · Chicago, IL to State College, PA · 265 flights observed, 2025-07-01 to 2026-05-20 · 528 mi
UA4519 covers more than one route in the data window — the stats below are for ORD → SCE, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
59%
Median delay
+4 min
90th percentile
+106 min
Cancellation rate
5%
How often is UA4519 on time?
Across 265 flights on ORD → SCE from 2025-07-01 to 2026-05-20, UA4519 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +106 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 149 | 59% |
| 16-30 min | 30 | 12% |
| 31-60 min | 31 | 12% |
| 61-120 min | 20 | 8% |
| 2+ hrs | 21 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 55% | +15 min |
| 2025-08 | 29 | 69% | +9 min |
| 2025-09 | 27 | 78% | +10 min |
| 2025-10 | 31 | 65% | +20 min |
| 2025-11 | 22 | 55% | +20 min |
| 2025-12 | 16 | 56% | +19 min |
| 2026-01 | 22 | 45% | +42 min |
| 2026-02 | 28 | 71% | +12 min |
| 2026-03 | 27 | 41% | +59 min |
| 2026-04 | 1 | 100% | +12 min |
| 2026-05 | 19 | 47% | +54 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 47% |
| Tue | 39 | 64% |
| Wed | 39 | 64% |
| Thu | 37 | 59% |
| Fri | 35 | 66% |
| Sat | 33 | 55% |
| Sun | 34 | 59% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…