UA3666 EWR → SYR

United Airlines · Newark, NJ to Syracuse, NY · 65 flights observed, 2025-09-25 to 2026-01-05 · 194 mi

This flight has been getting more reliable recently — 2026-01's on-time rate (100%) is well above the 71% average from earlier months.

UA3666 covers more than one route in the data window — the stats below are for EWR → SYR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
-14 min
90th percentile
+47 min
Cancellation rate
3%

How often is UA3666 on time?

Across 65 flights on EWR → SYR from 2025-09-25 to 2026-01-05, UA3666 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +47 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4368%
16-30 min711%
31-60 min813%
61-120 min35%
2+ hrs23%

Performance by month

MonthFlightsOn-timeAvg delay
2025-09683%+7 min
2025-102475%-9 min
2025-122854%+25 min
2026-015100%-14 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue956%
Wed967%
Thu1070%
Fri978%
Sat978%
Sun956%

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