UA4522 SCE → ORD
United Airlines · State College, PA to Chicago, IL · 267 flights observed, 2025-07-03 to 2026-06-30 · 528 mi
UA4522 covers more than one route in the data window — the stats below are for SCE → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-12 min
90th percentile
+57 min
Cancellation rate
2%
How often is UA4522 on time?
Across 267 flights on SCE → ORD from 2025-07-03 to 2026-06-30, UA4522 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +57 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 217 | 84% |
| 16-30 min | 10 | 4% |
| 31-60 min | 8 | 3% |
| 61-120 min | 8 | 3% |
| 2+ hrs | 15 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 81% | +9 min |
| 2025-08 | 23 | 83% | -5 min |
| 2025-09 | 18 | 94% | -7 min |
| 2025-10 | 31 | 87% | -6 min |
| 2025-11 | 26 | 81% | +4 min |
| 2025-12 | 28 | 79% | +32 min |
| 2026-01 | 29 | 83% | +20 min |
| 2026-02 | 27 | 89% | +10 min |
| 2026-03 | 29 | 79% | +24 min |
| 2026-04 | 1 | 100% | -22 min |
| 2026-05 | 20 | 90% | -6 min |
| 2026-06 | 5 | 80% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 88% |
| Tue | 29 | 86% |
| Wed | 28 | 89% |
| Thu | 42 | 71% |
| Fri | 40 | 83% |
| Sat | 38 | 89% |
| Sun | 39 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…