UA2310 EWR → SMF

United Airlines · Newark, NJ to Sacramento, CA · 52 flights observed, 2025-10-26 to 2025-12-17 · 2,500 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 29% on Fridays.

UA2310 covers more than one route in the data window — the stats below are for EWR → SMF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-2 min
90th percentile
+33 min
Cancellation rate
0%

How often is UA2310 on time?

Across 52 flights on EWR → SMF from 2025-10-26 to 2025-12-17, UA2310 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +33 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4077%
16-30 min510%
31-60 min48%
61-120 min24%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10683%-8 min
2025-112979%+5 min
2025-121771%+6 min

Performance by day of week

DayFlightsOn-time
Mon8100%
Tue8100%
Wed888%
Thu683%
Fri729%
Sat786%
Sun850%

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