AS856

AS856 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Kailua-Kona to San Jose. Of 108 departures recorded from January 2025 to October 2025, 83.3% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods9 periods
PeriodDepartures 2024Departures 2025Change vs last year
January–11–
February–12–
March–8–
April–––
May–17–
June–19–
July–13–
August–13–
September–13–
October–2–
November–––
December–––

according to the US BTS · January 2025 → October 2025

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods9 periods
PeriodOn time 2024On time 2025Change vs last year
January–100.0%–
February–100.0%–
March–100.0%–
April–––
May–100.0%–
June–68.4%–
July–46.2%–
August–69.2%–
September–92.3%–
October–100.0%–
November–––
December–––

according to the US BTS · January 2025 → October 2025

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · January 2025 → October 2025

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods9 periods
PeriodCancelled 2024Cancelled 2025Change vs last year
January–0–
February–0–
March–0–
April–––
May–0–
June–0–
July–0–
August–0–
September–0–
October–0–
November–––
December–––

according to the US BTS · January 2025 → October 2025

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 100.0% 108
  • Cancelled 0.0% 0

Share of all recorded flights in the period, all legs. · Jan 7, 2025 → Oct 3, 2025

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
KOA SJC Ellison Onizuka Kona International Airport at Keāhole – Mineta San Jose International Airport 3,834 6.5 min 77.5% 80
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
January 2025 11 11 100.0% 0
February 2025 12 12 100.0% 0
March 2025 8 8 100.0% 0
May 2025 17 17 100.0% 0
June 2025 19 19 68.4% 0
July 2025 13 13 46.2% 0
August 2025 13 13 69.2% 0
September 2025 13 13 92.3% 0
October 2025 2 2 100.0% 0

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