WN3971 PHX → SJC

Southwest Airlines · Phoenix, AZ to San Jose, CA · 63 flights observed, 2025-11-02 to 2026-01-05 · 621 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +3 min, while the worst 10% run +69 min or later.

WN3971 covers more than one route in the data window — the stats below are for PHX → SJC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
73%
Median delay
+3 min
90th percentile
+69 min
Cancellation rate
0%

How often is WN3971 on time?

Across 63 flights on PHX → SJC from 2025-11-02 to 2026-01-05, WN3971 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +69 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4573%
16-30 min58%
31-60 min46%
61-120 min46%
2+ hrs46%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112767%+26 min
2025-123080%+9 min
2026-01560%+17 min

Performance by day of week

DayFlightsOn-time
Mon1070%
Tue978%
Wed863%
Thu888%
Fri967%
Sat967%
Sun978%

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