WN170 SEA → SJC

Southwest Airlines · Seattle, WA to San Jose, CA · 50 flights observed, 2025-08-05 to 2025-10-01 · 696 mi

This flight's reliability varies a lot by day of week — 89% on-time on Tuesdays vs. 50% on Sundays.

WN170 covers more than one route in the data window — the stats below are for SEA → SJC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
80%
Median delay
+1 min
90th percentile
+33 min
Cancellation rate
0%

How often is WN170 on time?

Across 50 flights on SEA → SJC from 2025-08-05 to 2025-10-01, WN170 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +33 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4080%
16-30 min48%
31-60 min48%
61-120 min24%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082374%+11 min
2025-092685%+0 min
2025-101100%-17 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue989%
Wed989%
Thu888%
Fri888%
SatNo data—
Sun850%

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