WN4119 SFO → PHX

Southwest Airlines · San Francisco, CA to Phoenix, AZ · 58 flights observed, 2025-08-05 to 2025-10-01 · 651 mi

This flight's reliability varies a lot by day of week — 100% on-time on Fridays vs. 44% on Wednesdays.

WN4119 covers more than one route in the data window — the stats below are for SFO → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-5 min
90th percentile
+27 min
Cancellation rate
0%

How often is WN4119 on time?

Across 58 flights on SFO → PHX from 2025-08-05 to 2025-10-01, WN4119 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +27 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4883%
16-30 min47%
31-60 min47%
61-120 min23%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082785%+1 min
2025-093083%+1 min
2025-1010%+112 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue978%
Wed944%
Thu888%
Fri8100%
Sat8100%
Sun888%

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