Flight OddsUA4555 SCE → ORD
United Airlines · State College, PA to Chicago, IL · 189 flights observed, 2025-07-03 to 2026-05-20 · 528 mi
UA4555 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
57%
Median delay
+8 min
90th percentile
+141 min
Cancellation rate
7%
How often is UA4555 on time?
Across 189 flights on SCE → ORD from 2025-07-03 to 2026-05-20, UA4555 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +141 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 100 | 57% |
| 16-30 min | 14 | 8% |
| 31-60 min | 22 | 13% |
| 61-120 min | 18 | 10% |
| 2+ hrs | 22 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 18 | 28% | +62 min |
| 2025-08 | 16 | 50% | +35 min |
| 2025-10 | 5 | 60% | +12 min |
| 2025-11 | 25 | 44% | +69 min |
| 2025-12 | 27 | 52% | +48 min |
| 2026-01 | 27 | 63% | +36 min |
| 2026-02 | 28 | 82% | -8 min |
| 2026-03 | 26 | 65% | +24 min |
| 2026-05 | 4 | 50% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 69% |
| Tue | 26 | 69% |
| Wed | 23 | 65% |
| Thu | 26 | 58% |
| Fri | 24 | 38% |
| Sat | 26 | 50% |
| Sun | 25 | 48% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…