UA3489 STL → EWR

United Airlines · St. Louis, MO to Newark, NJ · 37 flights observed, 2025-08-19 to 2025-09-24 · 872 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 60% on Thursdays.

UA3489 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
89%
Median delay
-19 min
90th percentile
+30 min
Cancellation rate
3%

How often is UA3489 on time?

Across 37 flights on STL → EWR from 2025-08-19 to 2025-09-24, UA3489 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +30 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3289%
16-30 min00%
31-60 min13%
61-120 min26%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081392%-12 min
2025-092387%-2 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue6100%
Wed683%
Thu560%
Fri5100%
Sat475%
Sun5100%

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