UA4603 ORD → PIA

United Airlines · Chicago, IL to Peoria, IL · 39 flights observed, 2026-05-21 to 2026-06-30 · 130 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -12 min, while the worst 10% run +60 min or later.

UA4603 covers more than one route in the data window — the stats below are for ORD → PIA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
-12 min
90th percentile
+60 min
Cancellation rate
3%

How often is UA4603 on time?

Across 39 flights on ORD → PIA from 2026-05-21 to 2026-06-30, UA4603 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +60 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2976%
16-30 min25%
31-60 min38%
61-120 min38%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-05989%-5 min
2026-062972%+22 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue6100%
Wed450%
Thu667%
Fri667%
Sat4100%
Sun667%

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