STL → EWR United Airlines

United Airlines · St. Louis, MO to Newark, NJ · 1,075 flights, 2025-07-01 to 2026-06-30 · aggregated across 32 flight numbers

This route is usually on time, but has a real long-delay tail — typical (median) delay is -13 min, while the worst 10% run +48 min or later.
On-time arrival
82%
Median delay
-13 min
90th percentile
+48 min
Cancellation rate
5%

How on-time is United Airlines from STL to EWR?

Across every United Airlines flight number on STL → EWR (1,075 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +48 min or later. 5% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time83782%
16-30 min444%
31-60 min636%
61-120 min414%
2+ hrs384%

Performance by month

MonthFlightsOn-timeAvg delay
2025-078076%+9 min
2025-089179%+9 min
2025-0910385%-1 min
2025-109160%+24 min
2025-117975%+13 min
2025-127573%+44 min
2026-017990%-13 min
2026-027689%-6 min
2026-038885%-1 min
2026-048592%-10 min
2026-059094%-7 min
2026-068681%+3 min

Performance by day of week

DayFlightsOn-time
Mon14480%
Tue15381%
Wed15285%
Thu14780%
Fri15185%
Sat13284%
Sun14477%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…