UA4677 DSM → ORD

United Airlines · Des Moines, IA to Chicago, IL · 35 flights observed, 2025-07-01 to 2025-08-18 · 299 mi

This flight has been getting less reliable recently — 2025-08's on-time rate (75%) is well below the 100% average from earlier months.

UA4677 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
91%
Median delay
-18 min
90th percentile
+4 min
Cancellation rate
3%

How often is UA4677 on time?

Across 35 flights on DSM → ORD from 2025-07-01 to 2025-08-18, UA4677 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +4 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3191%
16-30 min00%
31-60 min13%
61-120 min00%
2+ hrs26%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0722100%-19 min
2025-081275%+55 min

Performance by day of week

DayFlightsOn-time
Mon7100%
Tue786%
Wed7100%
Thu786%
Fri683%
SatNo data—
SunNo data—

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