ON TIMEBOARD

UA 2397 on time

United Airlines 2397: Los Angeles to Newark at 9:00 p.m. (past 12 months)

On time
85%
362 flights · likely 81–89%
Cancelled
2.2%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+121 min
average delay
Similar flights
86%
UA, same route & hour

About 1 in 7 UA 2397 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (15%); 2.2% were cancelled. The typical flight landed 15 minutes early.

UA 2397: LAX → EWR

Scheduled to leave Los Angeles at 9:00 p.m. local time. Over the past year it arrived on time 85% of the time (362 flights), in line with other UA flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 87% on time (31 flights)87OctNov 2025: 87% on time (30 flights)87NovDec 2025: 81% on time (31 flights)81DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 84% on time (31 flights)84MarApr 2026: 83% on time (30 flights)83AprMay 2026: 81% on time (31 flights)81MayJun 2026: 97% on time (30 flights)97JunJul 2026: 90% on time (31 flights)90JulAug 2026: 79% on time (28 flights)79Aug

By day of week

DayFlightsOn time
Monday5389%
Tuesday5288%
Wednesday5288%
Thursday5275%
Friday5288%
Saturday4984%
Sunday5285%

Why it was late

Airline (crew, maintenance, ops) 68%Late inbound plane 24%Air traffic & airport (NAS) 6%Severe weather 1%

All flights LAX → EWR · Connecting off UA 2397? Check the risk

Questions

How often is UA 2397 from LAX to EWR late?

United Airlines 2397 from Los Angeles, CA to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 15% of 362 scheduled flights between September 2025 and August 2026. 2.2% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.