UA230 BOS → IAH

United Airlines · Boston, MA to Houston, TX · 24 flights observed, 2026-03-05 to 2026-03-28 · 1,597 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -31 min, while the worst 10% run +29 min or later.

UA230 covers more than one route in the data window — the stats below are for BOS → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-31 min
90th percentile
+29 min
Cancellation rate
0%

How often is UA230 on time?

Across 24 flights on BOS → IAH from 2026-03-05 to 2026-03-28, UA230 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -31 min, and the worst 10% of flights arrived +29 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2188%
16-30 min00%
31-60 min14%
61-120 min14%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032488%-13 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue3100%
Wed3100%
Thu4100%
Fri475%
Sat4100%
Sun3100%

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