AS789

AS789 (Alaska Airlines) is a multi-stop service on 5 routes, busiest San Francisco to Kailua-Kona. Of 256 departures recorded from June 2025 to July 2026, 93.4% left on time, according to the US BTS.

Recorded departures by month

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

The most recent periods14 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–18–
February–16–
March–11–
April–15–
May–1–
June1121▲ 90.9%
July1831▲ 72.2%
August18––
September17––
October29–in progress
November26––
December24––

according to the US BTS · June 2025 → July 2026

On-time departures by month

All legs combined

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

The most recent periods14 periods
PeriodOn time 2025On time 2026Change vs last year
January–94.4%–
February–87.5%–
March–81.8%–
April–80.0%–
May–100.0%–
June100.0%95.2%▼ 4.8%
July94.4%96.8%▲ 2.5%
August88.9%––
September88.2%––
October96.6%–in progress
November100.0%––
December95.8%––

according to the US BTS · June 2025 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · June 2025 → July 2026

Cancelled departures by month

All legs combined
The most recent periods14 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February–0–
March–0–
April–0–
May–0–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · June 2025 → July 2026

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% 256
  • Cancelled 0.0% 0

Share of all recorded flights in the period, all legs. · Jun 12, 2025 → Jul 31, 2026

On time, leg by leg

  1. SFO–KOA160 92.5%
  2. SFO–LIH72 97.2%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SFO KOA San Francisco International Airport – Ellison Onizuka Kona International Airport at Keāhole 3,808 0.8 min 92.5% 160
SFO LIH San Francisco International Airport – Lihue Airport 3,934 -0.1 min 97.2% 72
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
June 2025 11 11 100.0% 0
July 2025 18 18 94.4% 0
August 2025 18 18 88.9% 0
September 2025 17 17 88.2% 0
October 2025 29 29 96.6% 0
November 2025 26 26 100.0% 0
December 2025 24 24 95.8% 0
January 2026 18 18 94.4% 0
February 2026 16 16 87.5% 0
March 2026 11 11 81.8% 0
April 2026 15 15 80.0% 0
May 2026 1 1 100.0% 0
June 2026 21 21 95.2% 0
July 2026 31 31 96.8% 0

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