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3,917 km · Domestic

Ellison Onizuka Kona International Airport at Keāhole (KOA) – Sacramento (SMF)

In July 2026, 88 flights operated between Ellison Onizuka Kona International Airport at Keāhole and Sacramento (both directions), and 86.4% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January2688▲ 238.5%
February2480▲ 233.3%
March8188▲ 8.6%
April86860.0%
May88880.0%
June86860.0%
July88880.0%
August88––
September86––
October87–in progress
November86––
December90––
Year to date (Jan–Jul)479604▲ 26.1%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January88.5%85.2%▼ 3.7%
February54.2%90.0%▲ 66.1%
March96.3%86.4%▼ 10.3%
April96.5%93.0%▼ 3.6%
May92.0%95.5%▲ 3.8%
June97.7%87.2%▼ 10.7%
July92.0%86.4%▼ 6.1%
August94.3%––
September89.5%––
October87.4%–in progress
November94.2%––
December88.9%––
Year-to-date average (Jan–Jul)88.2%89.1%▲ 1.1%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January00–
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)00

Airlines on this route

  1. Southwest Airlines 64.6%
  2. Hawaiian Airlines 24.1%
  3. Alaska Airlines 11.3%

Oct 1, 2024 – Jul 31, 2026

By direction

KOA → SMF

Scheduled flights
795
Flights operated
795
Cancelled
0 · 0.0%
On-time departures
90.3%

SMF → KOA

Scheduled flights
796
Flights operated
795
Cancelled
1 · 0.1%
On-time departures
90.4%

KOA → SMF and SMF → KOA counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,027 64.6% 92.5% 0
Hawaiian Airlines HA 384 24.1% 87.5% 1
Alaska Airlines AS 180 11.3% 84.4% 0

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay10:00–11:000.8min · 622 recorded · 622 measured
Gap to highest-delay hour3.3min10:00 ↔ 09:00
Recorded flights1,591KOA–SMF

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 138 recorded · 138 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 107 recorded · 106 measured · Source: the US BTS 09:00 · 92.6% · 503 recorded · 503 measured · Source: the US BTS 10:00 · 92.3% · 622 recorded · 622 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 72 recorded · 72 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 64 recorded · 64 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 138 recorded · 138 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 107 recorded · 106 measured · Source: the US BTS 09:00 · 4.0 min · 503 recorded · 503 measured · Source: the US BTS 10:00 · 0.8 min · 622 recorded · 622 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 72 recorded · 72 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 64 recorded · 64 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 07:00 · 138 · 138 recorded · 138 measured · Source: the US BTS 08:00 · 107 · 107 recorded · 106 measured · Source: the US BTS 09:00 · 503 · 503 recorded · 503 measured · Source: the US BTS 10:00 · 622 · 622 recorded · 622 measured · Source: the US BTS 11:00 · 72 · 72 recorded · 72 measured · Source: the US BTS 12:00 · 84 · 84 recorded · 84 measured · Source: the US BTS 13:00 · 64 · 64 recorded · 64 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:00Fewer than 200 measured departures—11
07:00Fewer than 200 measured departures—138138
08:00Fewer than 200 measured departures—106107
09:0092.6%4.0 min503503
10:0092.3%0.8 min622622
11:00Fewer than 200 measured departures—7272
12:00Fewer than 200 measured departures—8484
13:00Fewer than 200 measured departures—6464
14:00No observations———
15:00No observations———
16:00No observations———
17:00No observations———
18:00No observations———
19:00No observations———
20:00No observations———
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 89.5% · 334 recorded · 333 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 146 recorded · 146 measured · Source: the US BTS Wednesday · 91.6% · 335 recorded · 335 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 148 recorded · 148 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 148 recorded · 148 measured · Source: the US BTS Saturday · 84.7% · 334 recorded · 334 measured · Source: the US BTS Sunday · Fewer than 200 measured departures · 146 recorded · 146 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 4.7 min · 334 recorded · 333 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 146 recorded · 146 measured · Source: the US BTS Wednesday · 1.4 min · 335 recorded · 335 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 148 recorded · 148 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 148 recorded · 148 measured · Source: the US BTS Saturday · 6.9 min · 334 recorded · 334 measured · Source: the US BTS Sunday · Fewer than 200 measured departures · 146 recorded · 146 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 334 · 334 recorded · 333 measured · Source: the US BTS Tuesday · 146 · 146 recorded · 146 measured · Source: the US BTS Wednesday · 335 · 335 recorded · 335 measured · Source: the US BTS Thursday · 148 · 148 recorded · 148 measured · Source: the US BTS Friday · 148 · 148 recorded · 148 measured · Source: the US BTS Saturday · 334 · 334 recorded · 334 measured · Source: the US BTS Sunday · 146 · 146 recorded · 146 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday89.5%4.7 min333334
TuesdayFewer than 200 measured departures—146146
Wednesday91.6%1.4 min335335
ThursdayFewer than 200 measured departures—148148
FridayFewer than 200 measured departures—148148
Saturday84.7%6.9 min334334
SundayFewer than 200 measured departures—146146

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 114 · 114 recorded · 114 measured · Source: the US BTS Feb · 104 · 104 recorded · 104 measured · Source: the US BTS Mar · 169 · 169 recorded · 169 measured · Source: the US BTS Apr · 172 · 172 recorded · 172 measured · Source: the US BTS May · 176 · 176 recorded · 176 measured · Source: the US BTS Jun · 172 · 172 recorded · 172 measured · Source: the US BTS Jul · 176 · 176 recorded · 176 measured · Source: the US BTS Aug · 88 · 88 recorded · 88 measured · Source: the US BTS Sep · 86 · 86 recorded · 86 measured · Source: the US BTS Oct · 106 · 106 recorded · 105 measured · Source: the US BTS Nov · 112 · 112 recorded · 112 measured · Source: the US BTS Dec · 116 · 116 recorded · 116 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—114114
FebFewer than 200 measured departures—104104
MarFewer than 200 measured departures—169169
AprFewer than 200 measured departures—172172
MayFewer than 200 measured departures—176176
JunFewer than 200 measured departures—172172
JulFewer than 200 measured departures—176176
AugFewer than 200 measured departures—8888
SepFewer than 200 measured departures—8686
OctFewer than 200 measured departures—105106
NovFewer than 200 measured departures—112112
DecFewer than 200 measured departures—116116

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 90.3% 1,437
  • Delayed >15 min 9.6% 153
  • Cancelled 0.1% 1
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

26
26 of 26
Flight numbersBy direction DeparturesOn time
HA73 SMF → KOA 163 86.5%
HA74 KOA → SMF 163 87.7%
WN3102 SMF → KOA 64 90.6%
WN3103 KOA → SMF 64 93.8%
WN3548 KOA → SMF 61 96.7%
WN3670 SMF → KOA 61 93.4%
WN1178 SMF → KOA 58 96.6%
WN2064 KOA → SMF 58 91.4%
WN2316 KOA → SMF 58 98.3%
WN2474 KOA → SMF 58 96.6%
WN2479 SMF → KOA 58 98.3%
WN3109 KOA → SMF 58 96.6%
WN3635 SMF → KOA 58 91.4%
WN4331 SMF → KOA 58 86.2%
WN2527 KOA → SMF 57 94.7%
WN3783 SMF → KOA 50 80.0%
AS965 SMF → KOA 43 100.0%
AS966 KOA → SMF 43 69.8%
WN2032 SMF → KOA 33 87.9%
WN3482 KOA → SMF 33 81.8%
WN5455 KOA → SMF 33 97.0%
WN5500 SMF → KOA 33 97.0%
WN3180 SMF → KOA 31 87.1%
WN3181 KOA → SMF 31 83.9%
AS992 SMF → KOA 30 86.7%
AS993 KOA → SMF 30 76.7%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 88 +0.0% 0 86.4%
June 2026 86 +0.0% 0 87.2%
May 2026 88 +0.0% 0 95.5%
April 2026 86 +0.0% 0 93.0%
March 2026 88 +8.6% 0 86.4%
February 2026 80 +233.3% 0 90.0%
January 2026 88 +238.5% 0 85.2%
December 2025 90 +246.2% 0 88.9%
November 2025 86 +230.8% 0 94.2%
October 2025 87 +383.3% 1 87.4%
September 2025 86 0 89.5%
August 2025 88 0 94.3%
July 2025 88 0 92.0%
June 2025 86 0 97.7%
May 2025 88 0 92.0%
April 2025 86 0 96.5%
March 2025 81 0 96.3%
February 2025 24 0 54.2%
January 2025 26 0 88.5%
December 2024 26 0 76.9%
November 2024 26 0 92.3%
October 2024 18 0 83.3%

How to read this chart

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