WN1209 BOI → OAK

Southwest Airlines · Boise, ID to Oakland, CA · 28 flights observed, 2026-03-05 to 2026-04-06 · 512 mi

This flight runs much more reliably at some times of day than others — 96% on-time departing 12–3pm vs. 60% departing 3–6pm.

WN1209 covers more than one route in the data window — the stats below are for BOI → OAK, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-2 min
90th percentile
+13 min
Cancellation rate
0%

How often is WN1209 on time?

Across 28 flights on BOI → OAK from 2026-03-05 to 2026-04-06, WN1209 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +13 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2589%
16-30 min27%
31-60 min00%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032387%-1 min
2026-045100%-2 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue475%
Wed4100%
Thu5100%
Fri5100%
SatNo data—
Sun560%

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