UA582 IAH → SAT

United Airlines · Houston, TX to San Antonio, TX · 34 flights observed, 2025-08-19 to 2025-09-24 · 191 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 60% on Fridays.

UA582 covers more than one route in the data window — the stats below are for IAH → SAT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-9 min
90th percentile
+15 min
Cancellation rate
0%

How often is UA582 on time?

Across 34 flights on IAH → SAT from 2025-08-19 to 2025-09-24, UA582 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +15 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3088%
16-30 min39%
31-60 min00%
61-120 min00%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081392%-4 min
2025-092186%0 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue683%
Wed6100%
Thu5100%
Fri560%
Sat2100%
Sun580%

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