UA1856 EWR → SAN

United Airlines · Newark, NJ to San Diego, CA · 31 flights observed, 2025-07-01 to 2025-07-31 · 2,425 mi

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

UA1856 covers more than one route in the data window — the stats below are for EWR → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-12 min
90th percentile
+25 min
Cancellation rate
0%

How often is UA1856 on time?

Across 31 flights on EWR → SAN from 2025-07-01 to 2025-07-31, UA1856 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +25 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2787%
16-30 min13%
31-60 min13%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073187%+1 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue560%
Wed5100%
Thu5100%
Fri4100%
Sat475%
Sun4100%

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