UA556 EWR → IAH

United Airlines · Newark, NJ to Houston, TX · 41 flights observed, 2026-05-21 to 2026-06-30 · 1,400 mi

UA556 covers more than one route in the data window — the stats below are for EWR → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-11 min
90th percentile
+33 min
Cancellation rate
0%

How often is UA556 on time?

Across 41 flights on EWR → IAH from 2026-05-21 to 2026-06-30, UA556 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -11 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-time3278%
16-30 min410%
31-60 min37%
61-120 min12%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051182%+2 min
2026-063077%-1 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue650%
Wed580%
Thu683%
Fri683%
Sat683%
Sun683%

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