UA686 IAH → SEA

United Airlines · Houston, TX to Seattle, WA · 12 flights observed, 2025-08-19 to 2025-09-01 · 1,874 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -5 min, while the worst 10% run +65 min or later.

UA686 covers more than one route in the data window — the stats below are for IAH → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-5 min
90th percentile
+65 min
Cancellation rate
0%

How often is UA686 on time?

Across 12 flights on IAH → SEA from 2025-08-19 to 2025-09-01, UA686 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +65 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time975%
16-30 min18%
31-60 min00%
61-120 min217%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081173%+13 min
2025-091100%-6 min

Performance by day of week

DayFlightsOn-time
Mon2100%
Tue2100%
Wed250%
Thu2100%
Fri250%
Sat250%
SunNo data—

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