UA1866 ORD → EWR

United Airlines · Chicago, IL to Newark, NJ · 9 flights observed, 2026-05-21 to 2026-05-31 · 719 mi

UA1866 covers more than one route in the data window — the stats below are for ORD → EWR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-15 min
90th percentile
+20 min
Cancellation rate
0%

How often is UA1866 on time?

Across 9 flights on ORD → EWR from 2026-05-21 to 2026-05-31, UA1866 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +20 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time889%
16-30 min00%
31-60 min00%
61-120 min111%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-05989%-8 min

Performance by day of week

DayFlightsOn-time
Mon1100%
Tue1100%
Wed10%
Thu2100%
Fri2100%
SatNo data—
Sun2100%

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