UA4440 ATW → ORD

United Airlines · Appleton, WI to Chicago, IL · 176 flights observed, 2025-08-20 to 2026-03-04 · 160 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -6 min, while the worst 10% run +63 min or later.

UA4440 covers more than one route in the data window — the stats below are for ATW → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
80%
Median delay
-6 min
90th percentile
+63 min
Cancellation rate
1%

How often is UA4440 on time?

Across 176 flights on ATW → ORD from 2025-08-20 to 2026-03-04, UA4440 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +63 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time13980%
16-30 min74%
31-60 min106%
61-120 min53%
2+ hrs137%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081292%-5 min
2025-093093%-2 min
2025-103184%+7 min
2025-112976%+41 min
2025-121656%+77 min
2026-012568%+27 min
2026-022781%-1 min
2026-034100%-11 min

Performance by day of week

DayFlightsOn-time
Mon2576%
Tue2492%
Wed2673%
Thu2588%
Fri2580%
Sat2479%
Sun2572%

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