UA3477 STL → EWR

United Airlines · St. Louis, MO to Newark, NJ · 35 flights observed, 2026-05-21 to 2026-06-24 · 872 mi

This flight has been getting less reliable recently — 2026-06's on-time rate (70%) is well below the 100% average from earlier months.

UA3477 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
79%
Median delay
-11 min
90th percentile
+75 min
Cancellation rate
3%

How often is UA3477 on time?

Across 35 flights on STL → EWR from 2026-05-21 to 2026-06-24, UA3477 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +75 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2779%
16-30 min00%
31-60 min26%
61-120 min39%
2+ hrs26%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0511100%-16 min
2026-062370%+25 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue580%
Wed580%
Thu580%
Fri4100%
Sat580%
Sun560%

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