UA4397 DSM → ORD

United Airlines · Des Moines, IA to Chicago, IL · 24 flights observed, 2026-06-01 to 2026-06-24 · 299 mi

This flight has been on time less than half the time (39%) — expect a real chance of a delay.

UA4397 covers more than one route in the data window — the stats below are for DSM → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
39%
Median delay
+21 min
90th percentile
+170 min
Cancellation rate
4%

How often is UA4397 on time?

Across 24 flights on DSM → ORD from 2026-06-01 to 2026-06-24, UA4397 arrived within 15 minutes of schedule 39% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +170 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time939%
16-30 min417%
31-60 min417%
61-120 min14%
2+ hrs522%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062339%+55 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue475%
Wed450%
Thu250%
Fri333%
Sat333%
Sun30%

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