UA3638 EWR → STL

United Airlines · Newark, NJ to St. Louis, MO · 24 flights observed, 2026-03-05 to 2026-03-28 · 872 mi

UA3638 covers more than one route in the data window — the stats below are for EWR → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
-13 min
90th percentile
+62 min
Cancellation rate
0%

How often is UA3638 on time?

Across 24 flights on EWR → STL from 2026-03-05 to 2026-03-28, UA3638 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +62 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1667%
16-30 min14%
31-60 min417%
61-120 min313%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032467%+4 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue333%
Wed367%
Thu4100%
Fri475%
Sat450%
Sun367%

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