UA4576 MEM → ORD

United Airlines · Memphis, TN to Chicago, IL · 39 flights observed, 2025-10-26 to 2025-12-15 · 491 mi

This flight has been cancelled 18% of the time in the ingested window — notably higher than typical.

UA4576 covers more than one route in the data window — the stats below are for MEM → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
53%
Median delay
+15 min
90th percentile
+96 min
Cancellation rate
18%

How often is UA4576 on time?

Across 39 flights on MEM → ORD from 2025-10-26 to 2025-12-15, UA4576 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +96 min or later. 18% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1753%
16-30 min619%
31-60 min413%
61-120 min26%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10683%+3 min
2025-111861%+21 min
2025-12813%+81 min

Performance by day of week

DayFlightsOn-time
Mon743%
Tue4100%
Wed475%
Thu650%
Fri633%
SatNo data—
Sun540%

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