UA4628 ATW → ORD

United Airlines · Appleton, WI to Chicago, IL · 22 flights observed, 2026-04-30 to 2026-05-24 · 160 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -1 min, while the worst 10% run +91 min or later.

UA4628 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
77%
Median delay
-1 min
90th percentile
+91 min
Cancellation rate
0%

How often is UA4628 on time?

Across 22 flights on ATW → ORD from 2026-04-30 to 2026-05-24, UA4628 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +91 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1777%
16-30 min15%
31-60 min15%
61-120 min15%
2+ hrs29%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041100%-15 min
2026-052176%+21 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue367%
Wed3100%
Thu3100%
Fri367%
Sat367%
Sun475%

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