WN1879 DEN → OAK

Southwest Airlines · Denver, CO to Oakland, CA · 45 flights observed, 2025-11-02 to 2026-01-05 · 957 mi

This flight's reliability varies a lot by day of week — 86% on-time on Wednesdays vs. 38% on Thursdays.

WN1879 covers more than one route in the data window — the stats below are for DEN → OAK, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
74%
Median delay
+2 min
90th percentile
+43 min
Cancellation rate
7%

How often is WN1879 on time?

Across 45 flights on DEN → OAK from 2025-11-02 to 2026-01-05, WN1879 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +43 min or later. 7% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3174%
16-30 min37%
31-60 min717%
61-120 min00%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112085%-2 min
2025-122070%+14 min
2026-0120%+40 min

Performance by day of week

DayFlightsOn-time
Mon667%
Tue580%
Wed786%
Thu838%
Fri683%
Sat4100%
Sun683%

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