WN1178 SMF → KOA

Southwest Airlines · Sacramento, CA to Kona, HI · 58 flights observed, 2026-04-07 to 2026-06-03 · 2,435 mi

This flight has been getting more reliable recently — 2026-05's on-time rate (94%) is well above the 58% average from earlier months.

WN1178 covers more than one route in the data window — the stats below are for SMF → KOA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-6 min
90th percentile
+25 min
Cancellation rate
0%

How often is WN1178 on time?

Across 58 flights on SMF → KOA from 2026-04-07 to 2026-06-03, WN1178 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +25 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4679%
16-30 min712%
31-60 min35%
61-120 min23%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042458%+12 min
2026-053194%-8 min
2026-063100%-24 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue967%
Wed989%
Thu875%
Fri875%
Sat888%
Sun875%

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