UA4522 SCE → ORD

United Airlines · State College, PA to Chicago, IL · 267 flights observed, 2025-07-03 to 2026-06-30 · 528 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -12 min, while the worst 10% run +57 min or later.

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).

ArrivalFlightsShare
Early / on-time21784%
16-30 min104%
31-60 min83%
61-120 min83%
2+ hrs156%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072181%+9 min
2025-082383%-5 min
2025-091894%-7 min
2025-103187%-6 min
2025-112681%+4 min
2025-122879%+32 min
2026-012983%+20 min
2026-022789%+10 min
2026-032979%+24 min
2026-041100%-22 min
2026-052090%-6 min
2026-06580%+16 min

Performance by day of week

DayFlightsOn-time
Mon4288%
Tue2986%
Wed2889%
Thu4271%
Fri4083%
Sat3889%
Sun3985%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…