WN1727 DEN → SJC

Southwest Airlines · Denver, CO to San Jose, CA · 23 flights observed, 2026-06-04 to 2026-06-30 · 948 mi

This flight has been on time less than half the time (30%) — expect a real chance of a delay.

WN1727 covers more than one route in the data window — the stats below are for DEN → SJC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
30%
Median delay
+40 min
90th percentile
+110 min
Cancellation rate
0%

How often is WN1727 on time?

Across 23 flights on DEN → SJC from 2026-06-04 to 2026-06-30, WN1727 arrived within 15 minutes of schedule 30% of the time. The median arrival delay was +40 min, and the worst 10% of flights arrived +110 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time730%
16-30 min417%
31-60 min417%
61-120 min626%
2+ hrs29%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062330%+48 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue475%
Wed367%
Thu40%
Fri425%
SatNo data—
Sun40%

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