UA4600 ORD → STL

United Airlines · Chicago, IL to St. Louis, MO · 37 flights observed, 2025-10-26 to 2025-12-01 · 258 mi

This flight's reliability varies a lot by day of week — 80% on-time on Tuesdays vs. 40% on Fridays.

UA4600 covers more than one route in the data window — the stats below are for ORD → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
59%
Median delay
+8 min
90th percentile
+140 min
Cancellation rate
0%

How often is UA4600 on time?

Across 37 flights on ORD → STL from 2025-10-26 to 2025-12-01, UA4600 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +140 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2259%
16-30 min25%
31-60 min411%
61-120 min514%
2+ hrs411%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10683%+1 min
2025-113057%+76 min
2025-1210%+603 min

Performance by day of week

DayFlightsOn-time
Mon650%
Tue580%
Wed560%
Thu580%
Fri540%
Sat540%
Sun667%

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