UA1563 SEA → IAH

United Airlines · Seattle, WA to Houston, TX · 31 flights observed, 2025-07-01 to 2025-07-31 · 1,874 mi

This flight has been on time less than half the time (32%) — expect a real chance of a delay.

UA1563 covers more than one route in the data window — the stats below are for SEA → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
32%
Median delay
+24 min
90th percentile
+97 min
Cancellation rate
0%

How often is UA1563 on time?

Across 31 flights on SEA → IAH from 2025-07-01 to 2025-07-31, UA1563 arrived within 15 minutes of schedule 32% of the time. The median arrival delay was +24 min, and the worst 10% of flights arrived +97 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1032%
16-30 min826%
31-60 min826%
61-120 min413%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073132%+33 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue540%
Wed540%
Thu560%
Fri40%
Sat450%
Sun40%

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