UA399 EWR → MSY

United Airlines · Newark, NJ to New Orleans, LA · 32 flights observed, 2026-03-29 to 2026-04-29 · 1,167 mi

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

UA399 covers more than one route in the data window — the stats below are for EWR → MSY, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
91%
Median delay
-16 min
90th percentile
+15 min
Cancellation rate
0%

How often is UA399 on time?

Across 32 flights on EWR → MSY from 2026-03-29 to 2026-04-29, UA399 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +15 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2991%
16-30 min13%
31-60 min13%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-033100%-17 min
2026-042990%-12 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue5100%
Wed560%
Thu4100%
Fri4100%
Sat4100%
Sun5100%

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