AS259
AS259 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Kailua-Kona to Seattle. Of 338 departures recorded from June 2025 to July 2026, 88.2% left on time, according to the US BTS.
- On-time departures88.2%of 338 flights
- Average delay1.6 min
- July 202630▲ 0.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | – | 28 | – |
| March | – | 31 | – |
| April | – | 29 | – |
| May | – | 31 | – |
| June | 19 | 30 | ▲ 57.9% |
| July | 30 | 30 | 0.0% |
| August | 25 | – | – |
| September | 17 | – | – |
| October | 13 | – | in progress |
| November | 9 | – | – |
| December | 15 | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.7% | – |
| February | – | 77.8% | – |
| March | – | 80.7% | – |
| April | – | 96.6% | – |
| May | – | 93.6% | – |
| June | 89.5% | 93.3% | ▲ 4.3% |
| July | 92.9% | 93.1% | ▲ 0.3% |
| August | 88.0% | – | – |
| September | 68.8% | – | – |
| October | 91.7% | – | in progress |
| November | 100.0% | – | – |
| December | 93.3% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
according to the US BTS · June 2025 → July 2026
Cancelled departures by month
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 1 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 1 | ▼ 50.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · June 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 97.9% 331
- Cancelled 2.1% 7
Share of all recorded flights in the period, all legs. · Jun 12, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| KOA SEA Ellison Onizuka Kona International Airport at Keāhole – Seattle–Tacoma International Airport | 4,327 | 1.0 min | 88.6% | 214 |
| SAN BOS San Diego International Airport – Boston Logan International Airport | 4,156 | 3.8 min | 87.0% | 104 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 19 | 19 | 89.5% | 0 |
| July 2025 | 30 | 28 | 92.9% | 2 |
| August 2025 | 25 | 25 | 88.0% | 0 |
| September 2025 | 17 | 16 | 68.8% | 1 |
| October 2025 | 13 | 12 | 91.7% | 1 |
| November 2025 | 9 | 8 | 100.0% | 1 |
| December 2025 | 15 | 15 | 93.3% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 28 | 27 | 77.8% | 1 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 29 | 29 | 96.6% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 30 | 29 | 93.1% | 1 |