UA4605 STL → ORD

United Airlines · St. Louis, MO to Chicago, IL · 7 flights observed, 2025-10-02 to 2025-10-23 · 258 mi

UA4605 covers more than one route in the data window — the stats below are for STL → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-24 min
90th percentile
+5 min
Cancellation rate
0%

How often is UA4605 on time?

Across 7 flights on STL → ORD from 2025-10-02 to 2025-10-23, UA4605 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -24 min, and the worst 10% of flights arrived +5 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time686%
16-30 min00%
31-60 min114%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10786%-16 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
Thu475%
FriNo data—
SatNo data—
Sun3100%

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