BOI → OAK Southwest Airlines

Southwest Airlines · Boise, ID to Oakland, CA · 577 flights, 2025-07-01 to 2026-06-30 · aggregated across 27 flight numbers

This route has been getting less reliable recently — 2026-06's on-time rate (57%) is well below the 87% average from earlier months.
On-time arrival
86%
Median delay
-8 min
90th percentile
+25 min
Cancellation rate
0%

How on-time is Southwest Airlines from BOI to OAK?

Across every Southwest Airlines flight number on BOI → OAK (577 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +25 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time49486%
16-30 min366%
31-60 min254%
61-120 min122%
2+ hrs92%

Performance by month

MonthFlightsOn-timeAvg delay
2025-075287%+0 min
2025-085296%-9 min
2025-095292%-2 min
2025-105381%+0 min
2025-115986%+0 min
2025-126285%-3 min
2026-015990%-4 min
2026-025589%-2 min
2026-033488%+0 min
2026-043385%-1 min
2026-053577%+22 min
2026-063057%+13 min

Performance by day of week

DayFlightsOn-time
Mon8780%
Tue8992%
Wed8688%
Thu8684%
Fri8584%
Sat6595%
Sun7878%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…