UA3478 ORD → DSM

United Airlines · Chicago, IL to Des Moines, IA · 32 flights observed, 2026-03-29 to 2026-04-29 · 299 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -7 min, while the worst 10% run +62 min or later.

UA3478 covers more than one route in the data window — the stats below are for ORD → DSM, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-7 min
90th percentile
+62 min
Cancellation rate
0%

How often is UA3478 on time?

Across 32 flights on ORD → DSM from 2026-03-29 to 2026-04-29, UA3478 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +62 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2784%
16-30 min13%
31-60 min00%
61-120 min39%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-03367%+26 min
2026-042986%+7 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue580%
Wed5100%
Thu4100%
Fri450%
Sat475%
Sun5100%

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