UA4494 STL → ORD

United Airlines · St. Louis, MO to Chicago, IL · 58 flights observed, 2026-01-06 to 2026-05-20 · 258 mi

This flight's reliability varies a lot by day of week — 75% on-time on Wednesdays vs. 38% on Thursdays.

UA4494 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
61%
Median delay
+9 min
90th percentile
+90 min
Cancellation rate
7%

How often is UA4494 on time?

Across 58 flights on STL → ORD from 2026-01-06 to 2026-05-20, UA4494 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +90 min or later. 7% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3361%
16-30 min611%
31-60 min59%
61-120 min611%
2+ hrs47%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012348%+42 min
2026-021164%+14 min
2026-0410%+33 min
2026-051979%+10 min

Performance by day of week

DayFlightsOn-time
Mon771%
Tue967%
Wed875%
Thu838%
Fri757%
Sat757%
Sun863%

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