UA1878 ORD → EWR

United Airlines · Chicago, IL to Newark, NJ · 20 flights observed, 2026-01-08 to 2026-02-09 · 719 mi

UA1878 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
79%
Median delay
-5 min
90th percentile
+28 min
Cancellation rate
5%

How often is UA1878 on time?

Across 20 flights on ORD → EWR from 2026-01-08 to 2026-02-09, UA1878 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +28 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1579%
16-30 min211%
31-60 min15%
61-120 min15%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-011377%+0 min
2026-02683%+1 min

Performance by day of week

DayFlightsOn-time
Mon580%
TueNo data—
WedNo data—
Thu580%
Fri580%
SatNo data—
Sun475%

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