WN4006 MDW → SJC

Southwest Airlines · Chicago, IL to San Jose, CA · 23 flights observed, 2026-03-05 to 2026-04-06 · 1,838 mi

This flight has been cancelled 9% of the time in the ingested window — notably higher than typical.

WN4006 covers more than one route in the data window — the stats below are for MDW → SJC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
48%
Median delay
+21 min
90th percentile
+62 min
Cancellation rate
9%

How often is WN4006 on time?

Across 23 flights on MDW → SJC from 2026-03-05 to 2026-04-06, WN4006 arrived within 15 minutes of schedule 48% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +62 min or later. 9% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1048%
16-30 min314%
31-60 min524%
61-120 min210%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031856%+20 min
2026-0430%+65 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue3100%
Wed425%
Thu450%
Fri520%
SatNo data—
SunNo data—

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