UA3573 STL → EWR

United Airlines · St. Louis, MO to Newark, NJ · 176 flights observed, 2026-01-06 to 2026-06-30 · 872 mi

UA3573 covers more than one route in the data window — the stats below are for STL → EWR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
90%
Median delay
-17 min
90th percentile
+13 min
Cancellation rate
5%

How often is UA3573 on time?

Across 176 flights on STL → EWR from 2026-01-06 to 2026-06-30, UA3573 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +13 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time15090%
16-30 min64%
31-60 min74%
61-120 min00%
2+ hrs32%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012396%-12 min
2026-022584%-9 min
2026-033087%-4 min
2026-043097%-16 min
2026-053194%+0 min
2026-062785%-6 min

Performance by day of week

DayFlightsOn-time
Mon2186%
Tue2584%
Wed2391%
Thu2584%
Fri2596%
Sat2496%
Sun2396%

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