UA1589 IAH → PHX

United Airlines · Houston, TX to Phoenix, AZ · 37 flights observed, 2026-01-06 to 2026-02-11 · 1,009 mi

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

UA1589 covers more than one route in the data window — the stats below are for IAH → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
95%
Median delay
-9 min
90th percentile
+7 min
Cancellation rate
0%

How often is UA1589 on time?

Across 37 flights on IAH → PHX from 2026-01-06 to 2026-02-11, UA1589 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +7 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3595%
16-30 min13%
31-60 min00%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012692%-4 min
2026-0211100%-17 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue6100%
Wed6100%
Thu5100%
Fri560%
Sat5100%
Sun5100%

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