UA4431 ORD → GRR

United Airlines · Chicago, IL to Grand Rapids, MI · 15 flights observed, 2026-03-29 to 2026-04-28 · 137 mi

This flight has been on time less than half the time (46%) — expect a real chance of a delay.

UA4431 covers more than one route in the data window — the stats below are for ORD → GRR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
46%
Median delay
+18 min
90th percentile
+107 min
Cancellation rate
7%

How often is UA4431 on time?

Across 15 flights on ORD → GRR from 2026-03-29 to 2026-04-28, UA4431 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +107 min or later. 7% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time646%
16-30 min323%
31-60 min215%
61-120 min00%
2+ hrs215%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032100%-5 min
2026-041136%+39 min

Performance by day of week

DayFlightsOn-time
Mon1100%
Tue333%
Wed425%
ThuNo data—
FriNo data—
Sat450%
Sun1100%

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